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{"id": "SUSE-SU-2022:2827-1", "vendorId": null, "type": "suse", "bulletinFamily": "unix", "title": "Security update for the Linux Kernel (important)", "description": "An update that solves 7 vulnerabilities and has 7 fixes is\n now available.\n\nDescription:\n\n\n The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various\n security and bugfixes.\n\n The following security bugs were fixed:\n\n - CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl\n and closing/opening of ttys that could lead to a use-after-free\n (bnc#1201429).\n - CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could\n lead to a NULL pointer dereference and general protection fault\n (bnc#1200910).\n - CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO\n (bnc#1201635).\n - CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT\n (bnc#1201636).\n - CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe\n subsystem (bnc#1198829).\n - CVE-2022-20166: Fixed possible out of bounds write due to sprintf\n unsafety that could cause local escalation of privilege (bnc#1200598).\n - CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that\n could lead to remote DoS (bnc#1201940).\n\n The following non-security bugs were fixed:\n\n - cifs: On cifs_reconnect, resolve the hostname again (bsc#1201926).\n - cifs: Simplify reconnect code when dfs upcall is enabled (bsc#1201926).\n - cifs: To match file servers, make sure the server hostname matches\n (bsc#1201926).\n - cifs: fix memory leak of smb3_fs_context_dup::server_hostname\n (bsc#1201926).\n - cifs: set a minimum of 120s for next dns resolution (bsc#1201926).\n - cifs: use the expiry output of dns_query to schedule next resolution\n (bsc#1201926).\n - kvm: emulate: Fix SETcc emulation function offsets with SLS\n (bsc#1201930).\n - kvm: emulate: do not adjust size of fastop and setcc subroutines\n (bsc#1201930).\n - rpm/*.spec.in: remove backtick usage\n - rpm/constraints.in: skip SLOW_DISK workers for kernel-source\n - rpm/kernel-obs-build.spec.in: Also depend on dracut-systemd (bsc#1195775)\n - rpm/kernel-obs-build.spec.in: add systemd-initrd and terminfo dracut\n module (bsc#1195775)\n - rpm/kernel-obs-build.spec.in: use default dracut modules (bsc#1195926,\n bsc#1198484)\n - x86/entry: Remove skip_r11rcx (bsc#1201644).\n\n\nSpecial Instructions and Notes:\n\n Please reboot the system after installing this update.\n\nPatch Instructions:\n\n To install this SUSE Security Update use the SUSE recommended installation methods\n like YaST online_update or \"zypper patch\".\n\n Alternatively you can run the command listed for your product:\n\n - openSUSE Leap 15.4:\n\n zypper in -t patch openSUSE-SLE-15.4-2022-2827=1\n\n - openSUSE Leap 15.3:\n\n zypper in -t patch openSUSE-SLE-15.3-2022-2827=1\n\n - SUSE Linux Enterprise Server for SAP 15-SP1:\n\n zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2022-2827=1\n\n - SUSE Linux Enterprise Server 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2022-2827=1\n\n - SUSE Linux Enterprise Server 15-SP1-BCL:\n\n zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2022-2827=1\n\n - SUSE Linux Enterprise Module for Live Patching 15-SP1:\n\n zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2022-2827=1\n\n Please note that this is the initial kernel livepatch without fixes\n itself, this livepatch package is later updated by seperate standalone\n livepatch updates.\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2022-2827=1\n\n - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:\n\n zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2022-2827=1\n\n - SUSE Linux Enterprise High Availability 15-SP1:\n\n zypper in -t patch SUSE-SLE-Product-HA-15-SP1-2022-2827=1\n\n - SUSE Enterprise Storage 6:\n\n zypper in -t patch SUSE-Storage-6-2022-2827=1\n\n - SUSE CaaS Platform 4.0:\n\n To install this update, use the SUSE CaaS Platform 'skuba' tool. It\n will inform you if it detects new updates and let you then trigger\n updating of the complete cluster in a controlled way.", "published": "2022-08-16T00:00:00", "modified": "2022-08-16T00:00:00", "cvss": {"score": 4.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 4.6}, "severity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}, "href": "https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/V45DVMMOTT5ZNFFDNHRMEUCS2P7BUX6L/", "reporter": "Suse", "references": [], "cvelist": ["CVE-2020-36557", "CVE-2020-36558", "CVE-2021-33655", "CVE-2021-33656", "CVE-2022-1462", "CVE-2022-20166", "CVE-2022-36946"], "immutableFields": [], "lastseen": "2022-11-08T06:09:37", "viewCount": 13, "enchantments": {"dependencies": {"references": [{"type": "amazon", "idList": ["ALAS-2022-1636", "ALAS2-2022-1833", "ALAS2-2022-1838", "ALAS2-2022-1852"]}, {"type": "cve", "idList": ["CVE-2020-36557", "CVE-2020-36558", "CVE-2021-33655", "CVE-2021-33656", "CVE-2022-1462", "CVE-2022-20166", "CVE-2022-36946"]}, {"type": "debian", "idList": ["DEBIAN:DLA-3102-1:8DD52", "DEBIAN:DLA-3131-1:083C4", "DEBIAN:DSA-5191-1:574E3", "DEBIAN:DSA-5207-1:0D465"]}, {"type": "debiancve", "idList": ["DEBIANCVE:CVE-2020-36557", "DEBIANCVE:CVE-2020-36558", "DEBIANCVE:CVE-2021-33655", "DEBIANCVE:CVE-2021-33656", "DEBIANCVE:CVE-2022-1462", "DEBIANCVE:CVE-2022-20166", "DEBIANCVE:CVE-2022-36946"]}, {"type": "f5", "idList": ["F5:K45164470"]}, {"type": "githubexploit", "idList": ["58D56E09-E266-52D1-8E6F-749551BEC175", "B8B06A12-C7E0-50A2-8B97-C96DEC77EEB8", "D5706C20-994B-524A-8C43-838B970CD47C"]}, {"type": "mageia", "idList": ["MGASA-2022-0278", "MGASA-2022-0308"]}, {"type": "nessus", "idList": ["AL2022_ALAS2022-2022-150.NASL", "AL2022_ALAS2022-2022-185.NASL", "AL2_ALAS-2022-1833.NASL", "AL2_ALAS-2022-1838.NASL", "AL2_ALAS-2022-1852.NASL", "AL2_ALASKERNEL-5_10-2022-019.NASL", "AL2_ALASKERNEL-5_10-2022-020.NASL", "AL2_ALASKERNEL-5_15-2022-007.NASL", "AL2_ALASKERNEL-5_4-2022-034.NASL", "AL2_ALASKERNEL-5_4-2022-035.NASL", "ALA_ALAS-2022-1636.NASL", "DEBIAN_DLA-3102.NASL", "DEBIAN_DLA-3131.NASL", "DEBIAN_DSA-5191.NASL", 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"UBUNTU_USN-5621-1.NASL", "UBUNTU_USN-5622-1.NASL", "UBUNTU_USN-5623-1.NASL", "UBUNTU_USN-5624-1.NASL", "UBUNTU_USN-5630-1.NASL", "UBUNTU_USN-5633-1.NASL", "UBUNTU_USN-5634-1.NASL", "UBUNTU_USN-5635-1.NASL", "UBUNTU_USN-5639-1.NASL", "UBUNTU_USN-5640-1.NASL", "UBUNTU_USN-5644-1.NASL", "UBUNTU_USN-5647-1.NASL", "UBUNTU_USN-5648-1.NASL", "UBUNTU_USN-5650-1.NASL", "UBUNTU_USN-5652-1.NASL", "UBUNTU_USN-5654-1.NASL", "UBUNTU_USN-5655-1.NASL", "UBUNTU_USN-5660-1.NASL", "UBUNTU_USN-5683-1.NASL"]}, {"type": "oraclelinux", "idList": ["ELSA-2022-9761", "ELSA-2022-9969"]}, {"type": "osv", "idList": ["OSV:DLA-3102-1", "OSV:DLA-3131-1", "OSV:DSA-5191-1", "OSV:DSA-5207-1"]}, {"type": "photon", "idList": ["PHSA-2022-0238", "PHSA-2022-0248", "PHSA-2022-0446", "PHSA-2022-0517"]}, {"type": "redhatcve", "idList": ["RH:CVE-2020-36557", "RH:CVE-2020-36558", "RH:CVE-2021-33655", "RH:CVE-2021-33656", "RH:CVE-2022-1462", "RH:CVE-2022-20166", "RH:CVE-2022-36946"]}, {"type": "slackware", "idList": ["SSA-2022-237-02"]}, {"type": "suse", "idList": ["SUSE-SU-2022:2520-1", "SUSE-SU-2022:2722-1", "SUSE-SU-2022:2741-1", "SUSE-SU-2022:2803-1", "SUSE-SU-2022:2875-1", "SUSE-SU-2022:2875-2", "SUSE-SU-2022:2892-2", "SUSE-SU-2022:3288-1", "SUSE-SU-2022:3293-1"]}, {"type": "ubuntu", "idList": ["USN-5577-1", "USN-5580-1", "USN-5589-1", "USN-5590-1", "USN-5591-1", "USN-5591-2", "USN-5591-3", "USN-5591-4", "USN-5592-1", "USN-5595-1", "USN-5596-1", "USN-5597-1", "USN-5598-1", "USN-5600-1", "USN-5603-1", "USN-5605-1", "USN-5621-1", "USN-5622-1", "USN-5623-1", "USN-5624-1", "USN-5630-1", "USN-5633-1", "USN-5634-1", "USN-5635-1", "USN-5639-1", "USN-5640-1", "USN-5644-1", "USN-5647-1", "USN-5648-1", "USN-5650-1", "USN-5652-1", "USN-5654-1", "USN-5655-1", "USN-5660-1", "USN-5683-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2020-36557", "UB:CVE-2020-36558", "UB:CVE-2021-33655", "UB:CVE-2021-33656", "UB:CVE-2022-1462", "UB:CVE-2022-20166", "UB:CVE-2022-36946"]}, {"type": "veracode", "idList": ["VERACODE:37270"]}]}, "score": {"value": 0.1, "vector": "NONE"}, "epss": [{"cve": "CVE-2020-36557", "epss": "0.000440000", "percentile": "0.105040000", "modified": "2023-03-19"}, {"cve": "CVE-2020-36558", "epss": "0.000440000", "percentile": "0.105040000", "modified": "2023-03-19"}, {"cve": "CVE-2021-33655", "epss": "0.000420000", "percentile": "0.056360000", "modified": "2023-03-19"}, {"cve": "CVE-2021-33656", "epss": "0.000500000", "percentile": "0.173610000", "modified": "2023-03-19"}, {"cve": "CVE-2022-1462", "epss": "0.000420000", "percentile": "0.056360000", "modified": "2023-03-19"}, {"cve": "CVE-2022-20166", "epss": "0.000420000", "percentile": "0.056360000", "modified": "2023-03-19"}, {"cve": "CVE-2022-36946", "epss": "0.001340000", "percentile": "0.467790000", "modified": "2023-03-19"}], "vulnersScore": 0.1}, "_state": {"dependencies": 1667888218, "score": 1667889937, "epss": 1679303669}, "_internal": {"score_hash": "a7edca6ef90d5a642fb854e7fa8f1125"}, "affectedPackage": 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(CVE-2020-36516)\n\n - A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. (CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - An out-of-bounds read flaw was found in the Linux kernel's TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory. 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The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session. (CVE-2020-36516)\n\n - A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. (CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privileges to root. 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User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:\n A-182388481References: Upstream kernel (CVE-2022-20166)\n\n - A bug in the IMA subsystem was discovered which would incorrectly allow kexec to be used when kernel lockdown was enabled (CVE-2022-21505) (CVE-2022-21505)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. (CVE-2022-2318)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions. (CVE-2022-29581)\n\n - nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len. 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The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session. (CVE-2020-36516)\n\n - A race condition in the Linux kernel before 5.6.2 between the VT_DISALLOCATE ioctl and closing/opening of ttys could lead to a use-after-free. (CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privileges to root. 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The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV). (CVE-2022-0171) (CVE-2022-21505)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. 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(CVE-2020-36557)\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - Some AMD CPUs may transiently execute beyond unconditional direct branches, which may potentially result in data leakage. (CVE-2021-26341)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system. (CVE-2021-4157)\n\n - Integer Overflow or Wraparound vulnerability in io_uring of Linux Kernel allows local attacker to cause memory corruption and escalate privileges to root. This issue affects: Linux Kernel versions prior to 5.4.189; version 5.4.24 and later versions. (CVE-2022-1116)\n\n - An out-of-bounds read flaw was found in the Linux kernel's TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory. (CVE-2022-1462)\n\n - A use-after-free flaw was found in the Linux kernel's Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2022-1679)\n\n - In lg_probe and related functions of hid-lg.c and other USB HID files, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure if a malicious USB HID device were plugged in, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-188677105References: Upstream kernel (CVE-2022-20132)\n\n - In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream kernel (CVE-2022-20141)\n\n - In lock_sock_nested of sock.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174846563References: Upstream kernel (CVE-2022-20154)\n\n - A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV). (CVE-2022-0171) (CVE-2022-21505)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges. 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kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :\n\n - A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault. (CVE-2020-36558)\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds. (CVE-2021-33655)\n\n - When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.\n (CVE-2021-33656)\n\n - With shadow paging enabled, the INVPCID instruction results in a call to kvm_mmu_invpcid_gva. If INVPCID is executed with CR0.PG=0, the invlpg callback is not set and the result is a NULL pointer dereference.\n (CVE-2022-1789)\n\n - In lg_probe and related functions of hid-lg.c and other USB HID files, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure if a malicious USB HID device were plugged in, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-188677105References: Upstream kernel (CVE-2022-20132)\n\n - In lock_sock_nested of sock.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174846563References: Upstream kernel (CVE-2022-20154)\n\n - In various methods of kernel base drivers, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:\n A-182388481References: Upstream kernel (CVE-2022-20166)\n\n - Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21123)\n\n - Incomplete cleanup of microarchitectural fill buffers on some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21125)\n\n - Incomplete cleanup in specific special register write operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2022-21166)\n\n - A flaw was found in the Linux kernel's KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service. (CVE-2022-2153)\n\n - Linux disk/nic frontends data leaks T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (CVE-2022-26365, CVE-2022-33740).\n Additionally the granularity of the grant table doesn't allow sharing less than a 4K page, leading to unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend (CVE-2022-33741, CVE-2022-33742). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. (CVE-2022-32296)\n\n - An issue was discovered in the Linux kernel through 5.18.9. A type confusion bug in nft_set_elem_init (leading to a buffer overflow) could be used by a local attacker to escalate privileges, a different vulnerability than CVE-2022-32250. (The attacker can obtain root access, but must start with an unprivileged user namespace to obtain CAP_NET_ADMIN access.) This can be fixed in nft_setelem_parse_data in net/netfilter/nf_tables_api.c. (CVE-2022-34918)\n\nNote that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. 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