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{"id": "UBUNTU_USN-5640-1.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-5640-1)", "description": "The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5640-1 advisory.\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 - 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 - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages. (CVE-2022-33744)\n\n - rpmsg_virtio_add_ctrl_dev in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free. (CVE-2022-34494)\n\n - rpmsg_probe in drivers/rpmsg/virtio_rpmsg_bus.c in the Linux kernel before 5.18.4 has a double free.\n (CVE-2022-34495)\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. (CVE-2022-36946)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "published": "2022-09-26T00:00:00", "modified": "2023-01-17T00:00:00", "epss": [], "cvss": {"score": 0.0, "vector": "NONE"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/165470", "reporter": "Ubuntu Security Notice (C) 2022-2023 Canonical, Inc. / NASL script (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33655", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34494", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-36946", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26365", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33744", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33740", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2318", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34495", "https://ubuntu.com/security/notices/USN-5640-1", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33743", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33741", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-33742"], "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "CVE-2022-36946"], "immutableFields": [], "lastseen": "2023-05-17T16:35:42", "viewCount": 2, "enchantments": {"dependencies": {"references": [{"type": "almalinux", "idList": ["ALSA-2022:7444", "ALSA-2022:7683", "ALSA-2022:7933", "ALSA-2022:8267", "ALSA-2023:2148", "ALSA-2023:2458"]}, {"type": "amazon", "idList": ["ALAS-2022-1624", "ALAS-2022-1636", "ALAS-2022-1852", "ALAS2-2022-1825", "ALAS2-2022-1833", "ALAS2-2022-1838", "ALAS2-2022-1852"]}, {"type": "avleonov", "idList": ["AVLEONOV:317FBD7DA93C95993A9FFF38FB04A987"]}, {"type": "cve", "idList": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34494", "CVE-2022-34495", "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-2021-33655", "DEBIANCVE:CVE-2022-2318", "DEBIANCVE:CVE-2022-26365", "DEBIANCVE:CVE-2022-33740", "DEBIANCVE:CVE-2022-33741", "DEBIANCVE:CVE-2022-33742", "DEBIANCVE:CVE-2022-33743", "DEBIANCVE:CVE-2022-33744", "DEBIANCVE:CVE-2022-34494", "DEBIANCVE:CVE-2022-34495", "DEBIANCVE:CVE-2022-36946"]}, {"type": "f5", "idList": ["F5:K45164470"]}, {"type": "fedora", "idList": ["FEDORA:1327A30569C4", "FEDORA:D2A5C30571AE"]}, {"type": "githubexploit", "idList": ["58D56E09-E266-52D1-8E6F-749551BEC175", "B8B06A12-C7E0-50A2-8B97-C96DEC77EEB8", 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"ubuntucve", "idList": ["UB:CVE-2021-33655", "UB:CVE-2022-2318", "UB:CVE-2022-26365", "UB:CVE-2022-33740", "UB:CVE-2022-33741", "UB:CVE-2022-33742", "UB:CVE-2022-33743", "UB:CVE-2022-33744", "UB:CVE-2022-34494", "UB:CVE-2022-34495", "UB:CVE-2022-36946"]}, {"type": "veracode", "idList": ["VERACODE:36304", "VERACODE:36324", "VERACODE:36325", "VERACODE:36326", "VERACODE:37270", "VERACODE:37534", "VERACODE:38254", "VERACODE:38255"]}, {"type": "xen", "idList": ["XSA-403", "XSA-405", "XSA-406"]}]}, "score": {"value": 7.7, "vector": "NONE"}, "epss": [{"cve": "CVE-2021-33655", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-2318", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-26365", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-33740", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-33741", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-33742", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-33743", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-33744", "epss": 0.00042, "percentile": 0.05656, "modified": "2023-05-02"}, {"cve": "CVE-2022-34494", "epss": 0.00043, "percentile": 0.07019, "modified": "2023-05-02"}, {"cve": "CVE-2022-34495", "epss": 0.00043, "percentile": 0.07019, "modified": "2023-05-02"}, {"cve": "CVE-2022-36946", "epss": 0.00134, "percentile": 0.47079, "modified": "2023-05-02"}], "vulnersScore": 7.7}, "_state": {"dependencies": 1684372553, "score": 1684374146, "epss": 0}, "_internal": {"score_hash": "a893efaa9e28f7715f9621fbd4dfd144"}, "pluginID": "165470", "sourceData": "#%NASL_MIN_LEVEL 80900\n##\n# (C) Tenable, Inc.\n#\n# The descriptive text and package checks in this plugin were\n# extracted from Ubuntu Security Notice USN-5640-1. The text\n# itself is copyright (C) Canonical, Inc. See\n# <https://ubuntu.com/security/notices>. Ubuntu(R) is a registered\n# trademark of Canonical, Inc.\n##\n\ninclude('compat.inc');\n\nif (description)\n{\n script_id(165470);\n script_version(\"1.3\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2023/01/17\");\n\n script_cve_id(\n \"CVE-2021-33655\",\n \"CVE-2022-2318\",\n \"CVE-2022-26365\",\n \"CVE-2022-33740\",\n \"CVE-2022-33741\",\n \"CVE-2022-33742\",\n \"CVE-2022-33743\",\n \"CVE-2022-33744\",\n \"CVE-2022-34494\",\n \"CVE-2022-34495\",\n \"CVE-2022-36946\"\n );\n script_xref(name:\"USN\", value:\"5640-1\");\n\n script_name(english:\"Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-5640-1)\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Ubuntu host is missing one or more security updates.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in\nthe USN-5640-1 advisory.\n\n - When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of\n bounds. (CVE-2021-33655)\n\n - There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that\n 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\n explains which aspects/vulnerabilities correspond to which CVE.] Linux Block and Network PV device\n 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\n unrelated data residing in the same 4K page as data shared with a backend being accessible by such backend\n (CVE-2022-33741, CVE-2022-33742). 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(CVE-2021-33655)\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 - network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed. (CVE-2022-33743)\n\n - Arm guests can cause Dom0 DoS via PV devices When mapping pages of guests on Arm, dom0 is using an rbtree to keep track of the foreign mappings. Updating of that rbtree is not always done completely with the related lock held, resulting in a small race window, which can be used by unprivileged guests via PV devices to cause inconsistencies of the rbtree. These inconsistencies can lead to Denial of Service (DoS) of dom0, e.g. by causing crashes or the inability to perform further mappings of other guests' memory pages. (CVE-2022-33744)\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 Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-07-27T00:00:00", "type": "nessus", "title": "Debian DSA-5191-1 : linux - security update", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2021-33655", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-32250", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-33743", "CVE-2022-33744", "CVE-2022-34918"], "modified": "2023-01-13T00:00:00", "cpe": ["p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-4kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-5kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-loongson-3-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-13-octeon-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-4kc-malta-di", "p-cpe:/a:debian:debian_linux:affs-modules-5.10.0-16-5kc-malta-di", 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At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to virtualization. In AMD64, Xen had to use a different implementation approach, so Xen does not use ring 1 to support 64-bit guests. With the focus now being on 64-bit systems, and the availability of explicit hardware support for virtualization, fixing speculation issues in ring 1 is not a priority for processor companies. Indirect Branch Restricted Speculation (IBRS) is an architectural x86 extension put together to combat speculative execution sidechannel attacks, including Spectre v2. It was retrofitted in microcode to existing CPUs. For more details on Spectre v2, see: http://xenbits.xen.org/xsa/advisory-254.html However, IBRS does not architecturally protect ring 0 from predictions learnt in ring 1. 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At the time when Xen was developed, this area of the i386 architecture was rarely used, which is why Xen was able to use it to implement paravirtualisation, Xen's novel approach to virtualization. In AMD64, Xen had to use a different implementation approach, so Xen does not use ring 1 to support 64-bit guests. With the focus now being on 64-bit systems, and the availability of explicit hardware support for virtualization, fixing speculation issues in ring 1 is not a priority for processor companies. Indirect Branch Restricted Speculation (IBRS) is an architectural x86 extension put together to combat speculative execution sidechannel attacks, including Spectre v2. It was retrofitted in microcode to existing CPUs. For more details on Spectre v2, see: http://xenbits.xen.org/xsa/advisory-254.html However, IBRS does not architecturally protect ring 0 from predictions learnt in ring 1. For more details, see:\n https://software.intel.com/security-software-guidance/deep-dives/deep-dive-indirect-branch-restricted- speculation Similar situations may exist with other mitigations for other kinds of speculative execution attacks. The situation is quite likely to be similar for speculative execution attacks which have yet to be discovered, disclosed, or mitigated. (CVE-2021-28689)\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 - insufficient TLB flush for x86 PV guests in shadow mode For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. To address XSA-401, code was moved inside a function in Xen. This code movement missed a variable changing meaning / value between old and new code positions. The now wrong use of the variable did lead to a wrong TLB flush condition, omitting flushes where such are necessary. (CVE-2022-33745)\n\n - P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing. 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This flaw allows a local user to crash the system or read unauthorized random data from memory. (CVE-2022-1462)\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 - 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. (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 - net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free. (CVE-2022-32250)\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. (CVE-2022-36946)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.", "cvss3": {}, "published": "2022-08-11T00:00:00", "type": "nessus", "title": "SUSE SLES15 / openSUSE 15 Security Update : kernel (SUSE-SU-2022:2741-1)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2020-36557", "CVE-2020-36558", "CVE-2021-33655", "CVE-2021-33656", "CVE-2022-0171", "CVE-2022-1116", "CVE-2022-1462", "CVE-2022-20166", "CVE-2022-21505", "CVE-2022-2318", "CVE-2022-26365", "CVE-2022-29581", "CVE-2022-32250", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742", "CVE-2022-36946"], "modified": "2023-02-08T00:00:00", "cpe": ["p-cpe:/a:novell:suse_linux:kernel-azure", "p-cpe:/a:novell:suse_linux:kernel-azure-devel", "p-cpe:/a:novell:suse_linux:kernel-devel-azure", "p-cpe:/a:novell:suse_linux:kernel-source-azure", "p-cpe:/a:novell:suse_linux:kernel-syms-azure", "cpe:/o:novell:suse_linux:15"], "id": "SUSE_SU-2022-2741-1.NASL", "href": "https://www.tenable.com/plugins/nessus/164061", "sourceData": "##\n# (C) Tenable, Inc.\n#\n# The package checks in this plugin were extracted from\n# SUSE update advisory SUSE-SU-2022:2741-1. 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