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{"id": "7975EECD3D2EE6CE08E72863DB53AD391D308F9DFA1EAA45FE674BAB1B264C0A", "vendorId": null, "type": "ibm", "bulletinFamily": "software", "title": "Security Bulletin: Vulnerabilities in the Linux kernel affect PowerKVM", "description": "## Summary\n\nPowerKVM is affected by vulnerabilities in the Linux kernel. IBM has now addressed these vulnerabilities.\n\n## Vulnerability Details\n\n**CVEID:** [_CVE-2016-5195_](<https://vulners.com/cve/CVE-2016-5195>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition when handling the copy-on-write (COW) breakage of private read-only memory mappings by the memory subsystem. An attacker could exploit this vulnerability to gain write access to read-only memory mappings and elevated privileges on the system. Note: This vulnerability is known as the Dirty COW bug. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/118170_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/118170>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) \n \n**CVEID:** [_CVE-2016-3134_](<https://vulners.com/cve/CVE-2016-3134>)** \nDESCRIPTION:** Linux Kernel could allow a remote attacker to execute arbitrary code on the system, caused by an out-of-bounds write in the IPT_SO_SET_REPLACE ioctl within netfilter code for iptables support. An attacker could exploit this vulnerability to corrupt heap memory and execute arbitrary code on the system. \nCVSS Base Score: 7.3 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/111418_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/111418>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) \n\n**CVEID:** [_CVE-2016-4997_](<https://vulners.com/cve/CVE-2016-4997>)** \nDESCRIPTION:** Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a memory corruption error in the IPT_SO_SET_REPLACE compat_setsockopt() function. A local attacker could exploit this vulnerability to gain kernel-like privileges on the system. \nCVSS Base Score: 8.4 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/114454_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/114454>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)\n\n**CVEID:** [_CVE-2016-4998_](<https://vulners.com/cve/CVE-2016-4998>)** \nDESCRIPTION:** Linux Kernel is vulnerable to a denial of service, caused by a out-of-bounds memory access error. By sending a specially crafted IPT_SO_SET_REPLACE setsockopt() call, an attacker could exploit this vulnerability to cause the system to crash. \nCVSS Base Score: 6.2 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/114455_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/114455>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)\n\n**CVEID:** [_CVE-2016-5696_](<https://vulners.com/cve/CVE-2016-5696>)** \nDESCRIPTION:** Linux Kernel could allow a remote attacker to obtain sensitive information, caused by the failure to properly determine the rate of challenge ACK segments by net/ipv4/tcp_input.c. An attacker could exploit this vulnerability using a blind in-window attack to inject or control the contents of a TCP stream in a connection between a Linux device and its connected client or server, making it easier to hijack TCP sessions. \nCVSS Base Score: 5.9 \nCVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/116101_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/116101>) for the current score \nCVSS Environmental Score*: Undefined \nCVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)\n\n## Affected Products and Versions\n\nPowerKVM 2.1 and PowerKVM 3.1.\n\n## Remediation/Fixes\n\nCustomers can update PowerKVM systems by using \"yum update\". \n\nFix images are made available via Fix Central. For version 3.1, see [_https://ibm.biz/BdHggw_](<https://ibm.biz/BdHggw>). This issue is addressed as of 3.1.0.2 update 3 or later.\n\nFor version 2.1, see [_https://ibm.biz/BdEnT8_](<https://ibm.biz/BdEnT8>). This issue is addressed as of PowerKVM 2.1.1.3-65 update 13 or later. Customers running v2.1 are, in any case, encouraged to upgrade to v3.1. \n\nFor v2.1 systems currently running fix levels of PowerKVM prior to 2.1.1, please see <http://download4.boulder.ibm.com/sar/CMA/OSA/05e4c/0/README> for prerequisite fixes and instructions.\n\n## ", "published": "2018-06-18T01:34:02", "modified": "2018-06-18T01:34:02", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 7.2}, "severity": "HIGH", "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.0", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}, "href": "https://www.ibm.com/support/pages/node/629991", "reporter": "IBM", "references": [], "cvelist": ["CVE-2016-3134", "CVE-2016-4997", "CVE-2016-4998", "CVE-2016-5195", "CVE-2016-5696"], "immutableFields": [], "lastseen": "2023-02-21T21:52:42", "viewCount": 15, "enchantments": {"dependencies": {"references": [{"type": "amazon", "idList": ["ALAS-2016-694", "ALAS-2016-718", "ALAS-2016-726", "ALAS-2016-757", "ALAS-2017-937", "ALAS-2018-956", "ALAS2-2018-956"]}, {"type": "android", "idList": ["ANDROID:CVE-2016-3134", "ANDROID:CVE-2016-5195", "ANDROID:DIRTYC0W"]}, {"type": "androidsecurity", "idList": ["ANDROID:2016-09-01", "ANDROID:2016-10-01", "ANDROID:2016-11-01", "ANDROID:2016-12-01"]}, {"type": "archlinux", "idList": ["ASA-201608-12", "ASA-201608-13", "ASA-201608-15", "ASA-201608-17", "ASA-201610-11", "ASA-201610-14", "ASA-201610-16"]}, {"type": "attackerkb", "idList": ["AKB:B6D57715-C0B3-48BB-8FDE-F3868F92DB1F"]}, {"type": "canvas", "idList": ["LINUX_FOLL_WRITE_COW"]}, {"type": "centos", "idList": ["CESA-2016:1633", "CESA-2016:1664", "CESA-2016:1847", "CESA-2016:2098", "CESA-2016:2105", "CESA-2016:2124", "CESA-2017:0036"]}, {"type": "cert", "idList": ["VU:243144"]}, {"type": "chrome", "idList": ["GCSA-2910604286347643311"]}, {"type": "cisa", "idList": ["CISA:374B105C289CECEBE37852514EEBDF8A"]}, {"type": "cisa_kev", "idList": ["CISA-KEV-CVE-2016-5195"]}, {"type": "cisco", "idList": ["CISCO-SA-20161026-LINUX"]}, {"type": "cloudfoundry", "idList": ["CFOUNDRY:96E3A8B8A251E08132E367B0C5BCD522", "CFOUNDRY:C4D044657909D168617F0C63F623467E"]}, {"type": "cve", "idList": ["CVE-2016-3134", "CVE-2016-3919", "CVE-2016-4997", "CVE-2016-4998", "CVE-2016-5195", "CVE-2016-5389", "CVE-2016-5696"]}, {"type": "debian", "idList": ["DEBIAN:DLA-516-1:B66B7", "DEBIAN:DLA-609-1:1025A", "DEBIAN:DLA-670-1:F2D9C", "DEBIAN:DSA-3607-1:0BD6E", "DEBIAN:DSA-3607-1:29E1C", "DEBIAN:DSA-3659-1:3F508", "DEBIAN:DSA-3659-1:5EA31", "DEBIAN:DSA-3696-1:25A5B", "DEBIAN:DSA-3696-1:EEC99"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2016-3134", "DEBIANCVE:CVE-2016-4997", "DEBIANCVE:CVE-2016-4998", "DEBIANCVE:CVE-2016-5195", "DEBIANCVE:CVE-2016-5696"]}, {"type": "exploitdb", "idList": ["EDB-ID:40435"]}, {"type": "exploitpack", "idList": ["EXPLOITPACK:9D752285F4A2795E32FB57E31FD31AB0"]}, {"type": "f5", "idList": ["F5:K10558632", "F5:K46514822", "F5:K74171196", "SOL10558632", "SOL46514822"]}, {"type": "fedora", "idList": ["FEDORA:3D786608E6C3", "FEDORA:4F34C605E513", "FEDORA:60DD1604971B", "FEDORA:6A06E60877B7", "FEDORA:800BC60776C5", "FEDORA:9A84E605A374", "FEDORA:A06C76049D3D", "FEDORA:A9A0D60DF38A", "FEDORA:CC8F4606D16C", "FEDORA:EE2EE6087A58", "FEDORA:F325C6013F0A"]}, {"type": "fortinet", "idList": ["FG-IR-16-047", "FG-IR-16-063"]}, {"type": "githubexploit", "idList": ["2C78124E-4C73-5C91-B8BF-5079AC3CDFA1", "8B409CA3-4DAE-57CA-B491-B4590CB1E0FB", "A249241C-8F8A-5640-BDDD-E66E8A9E48B8", "DFCB8D82-860E-5D5D-ABA6-50C59B69936B", "E486E79A-CFAD-56DE-B622-D64E700A822C", "F68A7C89-1ADB-5CF7-8EAC-4DEA137ED81A"]}, {"type": "googleprojectzero", "idList": ["GOOGLEPROJECTZERO:2E85097DC4FBE492B1CB6FAE84AFE126", "GOOGLEPROJECTZERO:60F2E118E85CB34AAEEAED9DE88D51AF", "GOOGLEPROJECTZERO:814DAD5293CFBE484AFB6C0462210E0D"]}, {"type": "huawei", "idList": ["HUAWEI-SA-20160907-01-TCP", "HUAWEI-SA-20161207-01-DIRTYCOW"]}, {"type": "ibm", "idList": ["799BECAD14ACCE547F7BB15B43498ACD10785511E3E4FFBF4EDAB4AA492D3628", "8315D940C0C248A2D5F81586335E93FC30795CCAD3EC3CF408DA8745196DB184", "8AF1677DB6AB1C41F2040E3F3B3038E6EE675E03B6C52C33D9CCD561400B711E", "98A97D55446C655C8FA414873093351878B0595CAB2F68D27CA718DC283BD62A", "AD381568C98FDE6F2ED1124B8841B7C35A4577BBAF1F8475310BC6C5C2177CF3", "B486596DD1E7364DF8F8F32580A8626F3D3C61C2CAC33857048A2EB16C38DF67", "C2C6C7F101E8DF80A7C41D3B860D83FF7FBDA9849EE7408F7B000742FC3F3077", "C84B7BAE07D2EF444117182FA543C812AE289C17E576776D91F2E9100E8CF6BE", "D2515E72F844DBDF6DA913F5706190703AC454A2163D6ED4B474AAEC1A2B2BA6", "F3B3AB14B790F882CFFCBE81BE64EE9BDA84D4682EFA35B516F6A77E13A97857", "F459AB1C260CFFC2C7190B1E3819FC765E9C727A9B80E4712445C345AAC77B8F"]}, {"type": "kitploit", "idList": ["KITPLOIT:4462385753504235463", "KITPLOIT:4830265851778950745", "KITPLOIT:8656177976839178440"]}, {"type": "lenovo", "idList": ["LENOVO:PS500321-NOSID"]}, {"type": "mageia", "idList": ["MGAA-2016-0134", "MGASA-2016-0271", "MGASA-2016-0283", "MGASA-2016-0284", "MGASA-2016-0347", "MGASA-2016-0364"]}, {"type": "malwarebytes", "idList": ["MALWAREBYTES:1A0558E103585383F84E3D6A1AD1518E"]}, {"type": "metasploit", "idList": ["MSF:EXPLOIT-LINUX-LOCAL-NETFILTER_PRIV_ESC_IPV4-"]}, {"type": "myhack58", "idList": ["MYHACK58:62201680403"]}, {"type": "nessus", "idList": ["AL2_ALAS-2018-956.NASL", "ALA_ALAS-2016-694.NASL", "ALA_ALAS-2016-718.NASL", "ALA_ALAS-2016-726.NASL", "ALA_ALAS-2016-757.NASL", "ALA_ALAS-2017-937.NASL", "ALA_ALAS-2018-956.NASL", "ARISTA_EOS_SA0023.NASL", "CENTOS_RHSA-2016-1633.NASL", "CENTOS_RHSA-2016-1664.NASL", "CENTOS_RHSA-2016-1847.NASL", "CENTOS_RHSA-2016-2098.NASL", "CENTOS_RHSA-2016-2105.NASL", "CENTOS_RHSA-2016-2124.NASL", "CENTOS_RHSA-2017-0036.NASL", "DEBIAN_DLA-516.NASL", "DEBIAN_DLA-609.NASL", "DEBIAN_DLA-670.NASL", "DEBIAN_DSA-3607.NASL", "DEBIAN_DSA-3659.NASL", "DEBIAN_DSA-3696.NASL", "EULEROS_SA-2016-1043.NASL", "EULEROS_SA-2016-1048.NASL", "EULEROS_SA-2016-1051.NASL", "EULEROS_SA-2019-1472.NASL", "EULEROS_SA-2019-1492.NASL", "EULEROS_SA-2019-1494.NASL", "EULEROS_SA-2019-1519.NASL", "EULEROS_SA-2019-1528.NASL", "EULEROS_SA-2019-1529.NASL", "EULEROS_SA-2019-1530.NASL", "F5_BIGIP_SOL10558632.NASL", "F5_BIGIP_SOL46514822.NASL", 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["RHSA-2016:1632", "RHSA-2016:1664", "RHSA-2016:1815", "RHSA-2016:1875", "RHSA-2016:2098", "RHSA-2016:2105", "RHSA-2016:2107"]}, {"type": "redhatcve", "idList": ["RH:CVE-2017-1000405"]}, {"type": "saint", "idList": ["SAINT:ACA0D81E9F0D7499A5952D634DA1559F"]}, {"type": "securelist", "idList": ["SECURELIST:B700542D10BA5EEA36C5D69A24B3C6EE"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2016:2583-1", "OPENSUSE-SU-2016:2584-1", "SUSE-SU-2016:1937-1", "SUSE-SU-2016:2174-1", "SUSE-SU-2016:2585-1", "SUSE-SU-2016:2592-1", "SUSE-SU-2016:2593-1", "SUSE-SU-2016:2596-1", "SUSE-SU-2016:2614-1", "SUSE-SU-2016:2629-1", "SUSE-SU-2016:2630-1", "SUSE-SU-2016:2631-1", "SUSE-SU-2016:2634-1", "SUSE-SU-2016:2635-1", "SUSE-SU-2016:2637-1", "SUSE-SU-2016:2638-1", "SUSE-SU-2016:2657-1", "SUSE-SU-2016:3069-1"]}, {"type": "thn", "idList": ["THN:E1BBDEC03BFACEE731E20A3BE9FFD214"]}, {"type": "threatpost", "idList": ["THREATPOST:B3BA1E2BDAE404AB09829F90C4A42D56"]}, {"type": "ubuntu", "idList": ["USN-2929-1", "USN-2929-2", "USN-2930-1", "USN-2930-2", "USN-2930-3", "USN-2931-1", "USN-2932-1", "USN-3017-2", "USN-3018-2"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2016-3134", "UB:CVE-2016-5195"]}, {"type": "virtuozzo", "idList": ["VZA-2017-109"]}, {"type": "zdt", "idList": ["1337DAY-ID-24860"]}]}, "exploitation": null, "affected_software": {"major_version": [{"name": "powerkvm", "version": 2}, {"name": "powerkvm", "version": 3}]}, "epss": [{"cve": "CVE-2016-3134", "epss": "0.001640000", "percentile": "0.513220000", "modified": "2023-03-17"}, {"cve": "CVE-2016-4997", "epss": "0.000450000", "percentile": "0.120400000", "modified": "2023-03-17"}, {"cve": "CVE-2016-4998", "epss": "0.000440000", "percentile": "0.081930000", "modified": "2023-03-17"}, {"cve": "CVE-2016-5195", "epss": "0.817320000", "percentile": "0.977770000", "modified": "2023-03-17"}, {"cve": "CVE-2016-5696", "epss": "0.003140000", "percentile": "0.655500000", "modified": "2023-03-17"}], "vulnersScore": 0.9}, "_state": {"dependencies": 1677016527, "score": 1698843920, "affected_software_major_version": 1677355290, "epss": 1679165106}, "_internal": {"score_hash": "519afac739efca5bc2a998f0fbf275d4"}, "affectedSoftware": [{"version": "2.1", "operator": "eq", "name": "powerkvm"}, {"version": "3.1", "operator": "eq", "name": "powerkvm"}]}

{"oraclelinux": [{"lastseen": "2021-07-28T14:24:41", "description": "- [3.10.0-327.36.1.OL7]\n- Oracle Linux certificates (Alexey Petrenko)\n[3.10.0-327.36.1]\n- [x86] Use pte_none() to test for empty PTE (Larry Woodman) [1363860 1347159]\n- [x86] Disallow running with 32-bit PTEs to work around erratum (Larry Woodman) [1363860 1347159]\n- [x86] Ignore A/D bits in pte/pmd/pud_none() (Alexander Gordeev) [1363860 1347159]\n- [x86] Move swap offset/type up in PTE to work around erratum (Alexander Gordeev) [1363860 1347159]\n- [x86] cpu/intel: Introduce macros for Intel family numbers (Steve Best) [1364074 1273778]\n[3.10.0-327.35.1]\n- Revert: [x86] cpu/intel: Introduce macros for Intel family numbers (Steve Best) [1364074 1273778]\n- Revert: [x86] Move swap offset/type up in PTE to work around erratum (Larry Woodman) [1363860 1347159]\n- Revert: [x86] Ignore A/D bits in pte/pmd/pud_none() (Larry Woodman) [1363860 1347159]\n- Revert: [x86] Disallow running with 32-bit PTEs to work around erratum (Larry Woodman) [1363860 1347159]\n- Revert: [x86] Use pte_none() to test for empty PTE (Larry Woodman) [1363860 1347159]\n[3.10.0-327.34.1]\n- [x86] Use pte_none() to test for empty PTE (Larry Woodman) [1363860 1347159]\n- [x86] Disallow running with 32-bit PTEs to work around erratum (Larry Woodman) [1363860 1347159]\n- [x86] Ignore A/D bits in pte/pmd/pud_none() (Larry Woodman) [1363860 1347159]\n- [x86] Move swap offset/type up in PTE to work around erratum (Larry Woodman) [1363860 1347159]\n- [x86] cpu/intel: Introduce macros for Intel family numbers (Steve Best) [1364074 1273778]\n- [net] sctp: support ipv6 nonlocal bind (Xin Long) [1363847 1355769]\n- [fs] xfs: fix duplicate buffer flag bits (Brian Foster) [1363677 1358817]\n- [fs] sunrpc: Fix races between socket connection and destroy code (Steve Dickson) [1363617 1278540]\n- [fs] sunrpc: Add helpers to prevent socket create from racing (Steve Dickson) [1363617 1270038]\n- [acpi] battery: Accelerate battery resume callback (Jeremy McNicoll) [1363611 1270522]\n- [scsi] 3w-sas: fix command completion race (Tomas Henzl) [1362040 1294538]\n- [kernel] hrtimer: Prevent remote enqueue of leftmost timers (David Bulkow) [1361020 1323752]\n- [scsi] storvsc: Size the queue depth based on the ringbuffer size (Cathy Avery) [1360161 1287040]\n- [scsi] storvsc: Increase the ring buffer size (Cathy Avery) [1360161 1287040]\n- [scsi] vmbus: Support a vmbus API for efficiently sending page arrays (Cathy Avery) [1360161 1287040]\n- [fs] ovl: verify upper dentry in ovl_remove_and_whiteout() (Miklos Szeredi) [1364384 1359829]\n- [fs] ovl: verify upper dentry before unlink and rename (Miklos Szeredi) [1360155 1341795]\n- [fs] ovl: fix getcwd() failure after unsuccessful rmdir (Miklos Szeredi) [1360155 1341795]\n- [base] memory: fix kernel warning during memory hotplug on ppc64 (Laurent Vivier) [1357130 1276205]\n- [fs] sunrpc: increase UNX_MAXNODENAME from 32 to __NEW_UTS_LEN bytes (Benjamin Coddington) [1356880 1315390]\n- [net] tcp: enable per-socket rate limiting of all 'challenge acks' (Florian Westphal) [1355603 1355605] {CVE-2016-5696}\n- [net] tcp: uninline tcp_oow_rate_limited() (Florian Westphal) [1355603 1355605] {CVE-2016-5696}\n- [net] tcp: make challenge acks less predictable (Florian Westphal) [1355603 1355605] {CVE-2016-5696}\n- [net] netfilter: x_tables: speed up jump target validation (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: don't reject valid target size on some architectures (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: enforce nul-terminated table name from getsockopt GET_ENTRIES (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: introduce and use xt_copy_counters_from_user (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: do compat validation via translate_table (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: xt_compat_match_from_user doesn't need a retval (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: arp_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: ip6_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: ip_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: remove unused comefrom hookmask argument (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: validate all offsets and sizes in a rule (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: check for bogus target offset (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: check standard target size too (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: add compat version of xt_check_entry_offsets (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: assert minimum target size (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: kill check_entry helper (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: add and use xt_check_entry_offsets (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: validate targets of jumps (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: don't move to non-existent next rule (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: fix unconditional helper (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: validate e->target_offset early (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [net] netfilter: x_tables: check for size overflow (Florian Westphal) [1364809 1318693] {CVE-2016-3134}\n- [block] nvme: Add pci error handlers (David Milburn) [1350352 1288601]\n- [block] nvme: protect against simultaneous shutdown invocations (David Milburn) [1350352 1288601]\n- [block] nvme: Set affinity after allocating request queues (Frank Ramsay) [1350352 1288601]\n- [block] nvme: Fix device cleanup on initialization failure (David Milburn) [1350352 1288601]\n- [block] nvme: fix kernel memory corruption with short INQUIRY buffers (David Milburn) [1350352 1288601]\n- [net] bridge: include in6.h in if_bridge.h for struct in6_addr (Jiri Benc) [1331285 1268057]\n- [net] inet: defines IPPROTO_* needed for module alias generation (Jiri Benc) [1331285 1268057]\n- [net] sync some IP headers with glibc (Jiri Benc) [1331285 1268057]\n[3.10.0-327.33.1]\n- [powerpc] mm: don't do tlbie for updatepp request with NO HPTE fault (Gustavo Duarte) [1361462 1287289]\n- [mm] slub: do not drop slab_mutex for sysfs_slab_add (Larry Woodman) [1361019 1282934]\n[3.10.0-327.32.1]\n- [fs] xfs: give all workqueues rescuer threads (Brian Foster) [1359630 1298684]\n- [fs] xfs: cancel eofblocks background trimming on remount read-only (Brian Foster) [1358777 1339414]\n- [netdrv] bonding: Prevent IPv6 link local address on enslaved devices (Jarod Wilson) [1357868 1297931]\n- [kernel] ptrace: make wait_on_bit(JOBCTL_TRAPPING_BIT) in ptrace_attach() killable (Jiri Olsa) [1354285 1334503]\n[3.10.0-327.31.1]\n- [kernel] ptrace: task_clear_jobctl_trapping()->wake_up_bit() needs mb() (Daniel Bristot de Oliveira) [1354313 1350624]\n- [net] sctp: label accepted/peeled off sockets (Marcelo Leitner) [1354302 1247756]\n- [char] ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg() (David Arcari) [1353947 1348013]\n- [netdrv] bnx2x: don't wait for Tx completion on recovery (Michal Schmidt) [1351972 1320748]\n- [pci] aer: Clear error status registers during enumeration and restore (Prarit Bhargava) [1350304 1347459]\n[3.10.0-327.30.1]\n- [net] netfilter: bridge: Use __in6_dev_get rather than in6_dev_get in br_validate_ipv6 (Paolo Abeni) [1343640 1265259]\n- [net] netfilter: bridge: don't leak skb in error paths (Paolo Abeni) [1343640 1265259]\n- [net] netfilter: bridge: forward IPv6 fragmented packets (Paolo Abeni) [1343640 1265259]\n- [net] netfilter: bridge: re-order check_hbh_len() (Paolo Abeni) [1343640 1265259]\n- [net] netfilter: bridge: refactor frag_max_size (Paolo Abeni) [1343640 1265259]\n- [net] netfilter: bridge: really save frag_max_size between PRE and POST_ROUTING (Paolo Abeni) [1343640 1265259]\n- [net] bridge: Save frag_max_size between PRE_ROUTING and POST_ROUTING (Paolo Abeni) [1343640 1265259]\n[3.10.0-327.29.1]\n- [fs] fanotify: fix double free of pending permission events (Richard Guy Briggs) [1352939 1339092]\n- [fs] fsnotify: rename event handling functions (Richard Guy Briggs) [1352939 1339092]\n- [fs] fanotify: convert access_mutex to spinlock (Richard Guy Briggs) [1352939 1339092]\n- [fs] fanotify: use fanotify event structure for permission response processing (Richard Guy Briggs) [1352939 1339092]\n- [fs] fanotify: remove useless bypass_perm check (Richard Guy Briggs) [1352939 1339092]\n- [fs] fanotify: fix notification of groups with inode & mount marks (Miklos Szeredi) [1348828 1308393]\n- [fs] fsnotify: Allocate overflow events with proper type (Richard Guy Briggs) [1345774 1135562]\n- [fs] fanotify: Handle overflow in case of permission events (Richard Guy Briggs) [1345774 1135562]\n- [fs] fsnotify: Fix detection whether overflow event is queued (Richard Guy Briggs) [1345774 1135562]\n- [fs] inotify: Fix reporting of cookies for inotify events (Richard Guy Briggs) [1345774 1135562]\n- [fs] fanotify: Fix use after free for permission events (Richard Guy Briggs) [1345774 1135562]\n- [fs] fsnotify: Do not return merged event from fsnotify_add_notify_event() (Richard Guy Briggs) [1345774 1135562]\n- [fs] fanotify: Fix use after free in mask checking (Richard Guy Briggs) [1345774 1135562]\n- [fs] fsnotify: remove pointless NULL initializers (Richard Guy Briggs) [1345774 1135562]\n- [fs] fsnotify: remove .should_send_event callback (Richard Guy Briggs) [1345774 1135562]\n- [fs] fsnotify: do not share events between notification groups (Richard Guy Briggs) [1345774 1135562]\n- [fs] inotify: provide function for name length rounding (Richard Guy Briggs) [1345774 1135562]\n- [fs] revert 'inotify: don't add consecutive overflow events to the queue' (Richard Guy Briggs) [1345774 1135562]\n- Revert: [fs] fanotify: fix notification of groups with inode & mount marks (Miklos Szeredi) [1348828 1308393]", "cvss3": {"exploitabilityScore": 2.5, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 8.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2016-09-14T00:00:00", "type": "oraclelinux", "title": "kernel security, bug fix, and enhancement update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-3134", "CVE-2016-4997", "CVE-2016-4998", "CVE-2016-5696"], "modified": "2016-09-14T00:00:00", "id": "ELSA-2016-1847", "href": "http://linux.oracle.com/errata/ELSA-2016-1847.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-28T14:24:25", "description": "kernel-uek\n[4.1.12-61.1.10]\n- netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [Orabug: 24682076] {CVE-2016-4997} {CVE-2016-4998}\n- netfilter: x_tables: validate e->target_offset early (Florian Westphal) [Orabug: 24682076] {CVE-2016-4997} {CVE-2016-4998}\n[4.1.12-61.1.9]\n- xen-blkback: don't get ref for each queue (Bob Liu) [Orabug: 24616917] \n- NVMe: Fix obtaining command result (Keith Busch) [Orabug: 24655742]\n[4.1.12-61.1.8]\n- Revert 'ixgbe: make a workaround to tx hang issue under dom' (Brian Maly) [Orabug: 24618738]\n[4.1.12-61.1.7]\n- x86/xen: Add x86_platform.is_untracked_pat_range quirk to ignore ISA regions. (Konrad Rzeszutek Wilk) [Orabug: 24566046]", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2016-09-22T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-4997", "CVE-2016-4998"], "modified": "2016-09-22T00:00:00", "id": "ELSA-2016-3619", "href": "http://linux.oracle.com/errata/ELSA-2016-3619.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-28T14:24:46", "description": "[2.6.39-400.284.2]\n- Btrfs: fix truncation of compressed and inlined extents (Divya Indi) [Orabug: 22307286] {CVE-2015-8374}\n- Btrfs: fix file corruption and data loss after cloning inline extents (Divya Indi) [Orabug: 22307286] {CVE-2015-8374}\n- netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [Orabug: 24682073] {CVE-2016-4997} {CVE-2016-4998}\n- netfilter: x_tables: validate e->target_offset early (Florian Westphal) [Orabug: 24682071] {CVE-2016-4997} {CVE-2016-4998}\n[2.6.39-400.284.1]\n- rds: schedule local connection activity in proper workqueue (Ajaykumar Hotchandani) [Orabug: 22819661] \n- ib_core: make wait_event uninterruptible in ib_flush_fmr_pool() (Avinash Repaka) [Orabug: 24525022] \n- net/mlx4: Support shutdown() interface (Ajaykumar Hotchandani) [Orabug: 24616261] ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2016-09-22T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2015-8374", "CVE-2016-4997", "CVE-2016-4998"], "modified": "2016-09-22T00:00:00", "id": "ELSA-2016-3618", "href": "http://linux.oracle.com/errata/ELSA-2016-3618.html", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-07-28T14:25:05", "description": "kernel-uek\n[3.8.13-118.11.2]\n- Btrfs: fix truncation of compressed and inlined extents (Ashish Samant) [Orabug: 22307285] {CVE-2015-8374}\n- Btrfs: fix file corruption and data loss after cloning inline extents (Divya Indi) [Orabug: 22307285] {CVE-2015-8374}\n- netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [Orabug: 24682074] {CVE-2016-4997} {CVE-2016-4998}\n- netfilter: x_tables: validate e->target_offset early (Florian Westphal) [Orabug: 24682074] {CVE-2016-4997} {CVE-2016-4998}\n[3.8.13-118.11.1]\n- rds: schedule local connection activity in proper workqueue (Ajaykumar Hotchandani) [Orabug: 24624195] \n- ib_core: make wait_event uninterruptible in ib_flush_fmr_pool() (Avinash Repaka) [Orabug: 24655952] \n- net/mlx4: Support shutdown() interface (Gavin Shan) [Orabug: 24624181] ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 5.9}, "published": "2016-09-22T00:00:00", "type": "oraclelinux", "title": "Unbreakable Enterprise kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", 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The function call is normally restricted to root, however some processes with cap_sys_admin may also be able to trigger this flaw in privileged container environments. 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An off-path attacker could use this flaw to either terminate TCP connection and/or inject payload into non-secured TCP connection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao (Cyber Security Group of the CS department of University of California in Riverside) for reporting this issue.\n\nBug Fix(es):\n\n* Previously, the BUG_ON() signal appeared in the fs_clear_inode() function where the nfs_have_writebacks() function reported a positive value for nfs_inode->npages. As a consequence, a kernel panic occurred. The provided patch performs a serialization by holding the inode i_lock over the check of PagePrivate and locking the request, which fixes this bug. (BZ#1365163)", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-09-27T11:08:46", "type": "redhat", "title": "(RHSA-2016:1939) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2016-09-27T13:31:16", "id": "RHSA-2016:1939", "href": "https://access.redhat.com/errata/RHSA-2016:1939", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux\noperating system.\n\nIt was found that the RFC 5961 challenge ACK rate limiting as implemented \nin the Linux kernel's networking subsystem allowed an off-path attacker to \nleak certain information about a given connection by creating congestion on \nthe global challenge ACK rate limit counter and then measuring the changes \nby probing packets. An off-path attacker could use this flaw to either \nterminate TCP connection and/or inject payload into non-secured TCP \nconnection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao from Cyber Security Group in the CS department of University of California, Riverside, for reporting this issue.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-08-18T15:37:10", "type": "redhat", "title": "(RHSA-2016:1633) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2018-04-11T23:32:54", "id": "RHSA-2016:1633", "href": "https://access.redhat.com/errata/RHSA-2016:1633", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* It was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the changes by probing packets. An off-path attacker could use this flaw to either terminate TCP connection and/or inject payload into non-secured TCP connection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao (Cyber Security Group of the CS department of University of California in Riverside) for reporting this issue.\n\nBug Fix(es):\n\n* When an interrupt request occurred and the new API was scheduled on a different CPU, the enic driver previously generated a warning message. This behavior was caused by a race condition between the vnic_intr_unmask() function and the enic_poll_unlock_napi() function. This update fixes the napi_poll() function to unlock before unmasking the interrupt. As a result, the warning message no longer occurs in the described situation. (BZ#1351192)", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-09-06T09:18:56", "type": "redhat", "title": "(RHSA-2016:1815) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2016-09-06T09:28:58", "id": "RHSA-2016:1815", "href": "https://access.redhat.com/errata/RHSA-2016:1815", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nIt was found that the RFC 5961 challenge ACK rate limiting as implemented \nin the Linux kernel's networking subsystem allowed an off-path attacker to \nleak certain information about a given connection by creating congestion on \nthe global challenge ACK rate limit counter and then measuring the changes \nby probing packets. An off-path attacker could use this flaw to either \nterminate TCP connection and/or inject payload into non-secured TCP \nconnection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao from Cyber Security Group in the CS\ndepartment of University of California, Riverside, for reporting this issue.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-08-18T15:33:21", "type": "redhat", "title": "(RHSA-2016:1632) Important: kernel-rt security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2018-03-19T12:29:53", "id": "RHSA-2016:1632", "href": "https://access.redhat.com/errata/RHSA-2016:1632", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nIt was found that the RFC 5961 challenge ACK rate limiting as implemented \nin the Linux kernel's networking subsystem allowed an off-path attacker to \nleak certain information about a given connection by creating congestion on \nthe global challenge ACK rate limit counter and then measuring the changes \nby probing packets. An off-path attacker could use this flaw to either \nterminate TCP connection and/or inject payload into non-secured TCP \nconnection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao from Cyber Security Group in the CS\ndepartment of University of California, Riverside, for reporting this issue.", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-08-18T15:32:31", "type": "redhat", "title": "(RHSA-2016:1631) Important: realtime-kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2018-06-07T04:58:25", "id": "RHSA-2016:1631", "href": "https://access.redhat.com/errata/RHSA-2016:1631", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\nIt was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the changes by probing packets. An off-path attacker could use this flaw to either terminate TCP connection and/or inject payload into non-secured TCP connection between two endpoints on the network. (CVE-2016-5696, Important)\n\nRed Hat would like to thank Yue Cao (Cyber Security Group of the CS department of University of California in Riverside) for reporting this issue.\n\nBug Fix(es):\n\n* When loading the Direct Rendering Manager (DRM) kernel module, the kernel panicked if DRM was previously unloaded. The kernel panic was caused by a memory leak of the ID Resolver (IDR2). With this update, IDR2 is loaded during kernel boot, and the kernel panic no longer occurs in the described scenario. (BZ#1353827)\n\n* When more than one process attempted to use the \"configfs\" directory entry at the same time, a kernel panic in some cases occurred. With this update, a race condition between a directory entry and a lookup operation has been fixed. As a result, the kernel no longer panics in the described scenario. (BZ#1353828)\n\n* When shutting down the system by running the halt -p command, a kernel panic occurred due to a conflict between the kernel offlining CPUs and the sched command, which used the sched group and the sched domain data without first checking the data. The underlying source code has been fixed by adding a check to avoid the conflict. As a result, the described scenario no longer results in a kernel panic. (BZ#1343894)\n\n* In some cases, running the ipmitool command caused a kernel panic due to a race condition in the ipmi message handler. This update fixes the race condition, and the kernel panic no longer occurs in the described scenario. (BZ#1355980)\n\n* Previously, multiple Very Secure FTP daemon (vsftpd) processes on a directory with a large number of files led to a high contention rate on each inode's spinlock, which caused excessive CPU usage. With this update, a spinlock to protect a single memory-to-memory copy has been removed from the ext4_getattr() function. As a result, system CPU usage has been reduced and is no longer excessive in the described situation. (BZ#1355981)\n\n* When the gfs2_grow utility is used to extend Global File System 2 (GFS2), the next block allocation causes the GFS2 kernel module to re-read its resource group index. If multiple processes in the GFS2 module raced to do the same thing, one process sometimes overwrote a valid object pointer with an invalid pointer, which caused either a kernel panic or a file system corruption. This update ensures that the resource group object pointer is not overwritten. As a result, neither kernel panic nor file system corruption occur in the described scenario. (BZ#1347539)\n\n* Previously, the SCSI Remote Protocol over InfiniBand (IB-SRP) was disabled due to a bug in the srp_queue() function. As a consequence, an attempt to enable the Remote Direct Memory Access (RDMA) at boot caused the kernel to crash. With this update, srp_queue() has been fixed, and the system now boots as expected when RDMA is enabled. (BZ#1348062)\n\nEnhancement(s):\n\n* This update optimizes the efficiency of the Transmission Control Protocol (TCP) when the peer is using a window under 537 bytes in size. As a result, devices that use maximum segment size (MSS) of 536 bytes or fewer will experience improved network performance. (BZ#1354446)", "cvss3": {"exploitabilityScore": 2.2, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 4.8, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2016-08-23T15:01:18", "type": "redhat", "title": "(RHSA-2016:1664) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696"], "modified": "2018-06-06T16:24:11", "id": "RHSA-2016:1664", "href": "https://access.redhat.com/errata/RHSA-2016:1664", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system. (CVE-2016-5195, Important)\n\nRed Hat would like to thank Phil Oester for reporting this issue.\n\nBug Fix(es):\n\n* Previously, the BUG_ON() signal appeared in the fs_clear_inode() function where the nfs_have_writebacks() function reported a positive value for nfs_inode->npages. As a consequence, a kernel panic occurred. The provided patch performs a serialization by holding the inode i_lock over the check of PagePrivate and locking the request, which fixes this bug. (BZ#1365157)", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-11-01T10:16:02", "type": "redhat", "title": "(RHSA-2016:2132) Important: kernel security and bug fix update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5195"], "modified": "2016-11-01T13:09:43", "id": "RHSA-2016:2132", "href": "https://access.redhat.com/errata/RHSA-2016:2132", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating\nsystem.\n\nSecurity Fix(es):\n\n* A race condition was found in the way the Linux kernel's memory subsystem\nhandled the copy-on-write (COW) breakage of private read-only memory mappings.\nAn unprivileged, local user could use this flaw to gain write access to\notherwise read-only memory mappings and thus increase their privileges on the\nsystem. (CVE-2016-5195, Important)\n\nRed Hat would like to thank Phil Oester for reporting this issue.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-10-31T00:00:00", "type": "redhat", "title": "(RHSA-2016:2126) Important: kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5195"], "modified": "2017-09-08T07:56:15", "id": "RHSA-2016:2126", "href": "https://access.redhat.com/errata/RHSA-2016:2126", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-10-20T10:38:44", "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* A race condition was found in the way the Linux kernel's memory subsystem handled the copy-on-write (COW) breakage of private read-only memory mappings. An unprivileged, local user could use this flaw to gain write access to otherwise read-only memory mappings and thus increase their privileges on the system. (CVE-2016-5195, Important)\n\nRed Hat would like to thank Phil Oester for reporting this issue.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2016-10-24T12:01:05", "type": "redhat", "title": "(RHSA-2016:2098) Important: kernel security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.2, "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5195"], "modified": "2018-04-11T23:32:44", "id": "RHSA-2016:2098", "href": "https://access.redhat.com/errata/RHSA-2016:2098", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "openvas": [{"lastseen": "2019-05-29T18:34:55", "description": "Check the version of kernel", "cvss3": {}, "published": "2016-09-20T00:00:00", "type": "openvas", "title": "CentOS Update for kernel CESA-2016:1847 centos7", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2016-4997", "CVE-2016-4998", "CVE-2016-3134"], "modified": "2019-03-08T00:00:00", "id": "OPENVAS