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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).", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 7.1, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 5.2}, "published": "2022-07-05T13:15:00", "type": "osv", "title": "CVE-2022-33741", "bulletinFamily": "software", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33741", "CVE-2022-33742"], "modified": "2022-10-29T06:46:52", "id": "OSV:CVE-2022-33741", "href": "https://osv.dev/vulnerability/CVE-2022-33741", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:N/A:P"}}, {"lastseen": "2022-08-10T07:07:15", "description": "\nSeveral vulnerabilities have been discovered in the Linux kernel that may\nlead to privilege escalation, denial of service or information leaks:\n\n\n* [CVE-2021-33655](https://security-tracker.debian.org/tracker/CVE-2021-33655)\nA user with access to a framebuffer console driver could cause a\n memory out-of-bounds write via the FBIOPUT\\_VSCREENINFO ioctl.\n* [CVE-2022-2318](https://security-tracker.debian.org/tracker/CVE-2022-2318)\nA use-after-free in the Amateur Radio X.25 PLP (Rose) support may\n result in denial of service.\n* [CVE-2022-26365](https://security-tracker.debian.org/tracker/CVE-2022-26365),\n [CVE-2022-33740](https://security-tracker.debian.org/tracker/CVE-2022-33740),\n [CVE-2022-33741](https://security-tracker.debian.org/tracker/CVE-2022-33741),\n [CVE-2022-33742](https://security-tracker.debian.org/tracker/CVE-2022-33742)\nRoger Pau Monne discovered that Xen block and network PV device\n frontends don't zero out memory regions before sharing them with the\n backend, which may result in information disclosure. Additionally it\n was discovered that the granularity of the grant table doesn't permit\n sharing less than a 4k page, which may also result in information\n disclosure.\n* [CVE-2022-33743](https://security-tracker.debian.org/tracker/CVE-2022-33743)\nJan Beulich discovered that incorrect memory handling in the Xen\n network backend may lead to denial of service.\n* [CVE-2022-33744](https://security-tracker.debian.org/tracker/CVE-2022-33744)\nOleksandr Tyshchenko discovered that ARM Xen guests can cause a denial\n of service to the Dom0 via paravirtual devices.\n* [CVE-2022-34918](https://security-tracker.debian.org/tracker/CVE-2022-34918)\nArthur Mongodin discovered a heap buffer overflow in the Netfilter\n subsystem which may result in local privilege escalation.\n\n\nFor the stable distribution (bullseye), these problems have been fixed in\nversion 5.10.127-2.\n\n\nWe recommend that you upgrade your linux packages.\n\n\nFor the detailed security status of linux please refer to\nits security tracker page at:\n[\\\nhttps://security-tracker.debian.org/tracker/linux](https://security-tracker.debian.org/tracker/linux)\n\n\n", "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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2022-07-26T00:00:00", "type": "osv", "title": "linux - security update", "bulletinFamily": "software", "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"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-2318", "CVE-2021-33655", "CVE-2022-26365", "CVE-2022-33740", "CVE-2022-33742", "CVE-2022-33741", "CVE-2022-33743", "CVE-2022-34918", "CVE-2022-33744"], "modified": "2022-08-10T07:07:12", "id": "OSV:DSA-5191-1", "href": "https://osv.dev/vulnerability/DSA-5191-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-10-02T19:26:58", "description": "\nSeveral vulnerabilities have been discovered in the Linux kernel that\nmay lead to privilege escalation, denial of service or information\nleaks.\n\n\n* [CVE-2021-4159](https://security-tracker.debian.org/tracker/CVE-2021-4159)\nA flaw was found in the eBPF verifier which could lead to an\n out-of-bounds read. If unprivileged use of eBPF is enabled, this\n could leak sensitive information. This was already disabled by\n default, which would fully mitigate the vulnerability.\n* [CVE-2021-33655](https://security-tracker.debian.org/tracker/CVE-2021-33655)\nA user with access to a framebuffer console device could cause a\n memory out-of-bounds write via the FBIOPUT\\_VSCREENINFO ioctl.\n* [CVE-2021-33656](https://security-tracker.debian.org/tracker/CVE-2021-33656)\nA user with access to a framebuffer console device could cause a\n memory out-of-bounds write via some font setting ioctls. These\n obsolete ioctls have been removed.\n* [CVE-2022-1462](https://security-tracker.debian.org/tracker/CVE-2022-1462)\n\u00e4\u00b8\u0080\u013a\u008f\u015e\u00e7\u008b\u0097 reported a race condition in the pty (pseudo-terminal)\n subsystem that can lead to a slab out-of-bounds write. A local\n user could exploit this to cause a denial of service (crash or\n memory corruption) or possibly for privilege escalation.\n* [CVE-2022-1679](https://security-tracker.debian.org/tracker/CVE-2022-1679)\nThe syzbot tool found a race condition in the ath9k\\_htc driver\n which can lead to a use-after-free. This might be exploitable to\n cause a denial service (crash or memory corruption) or possibly\n for privilege escalation.\n* [CVE-2022-2153](https://security-tracker.debian.org/tracker/CVE-2022-2153)\nkangel reported a flaw in the KVM implementation for x86\n processors which could lead to a null pointer dereference. A local\n user permitted to access /dev/kvm could exploit this to cause a\n denial of service (crash).\n* [CVE-2022-2318](https://security-tracker.debian.org/tracker/CVE-2022-2318)\nA use-after-free in the Amateur Radio X.25 PLP (Rose) support may\n result in denial of service.\n* [CVE-2022-2586](https://security-tracker.debian.org/tracker/CVE-2022-2586)\nA use-after-free in the Netfilter subsystem may result in local\n privilege escalation for a user with the CAP\\_NET\\_ADMIN capability\n in any user or network namespace.\n* [CVE-2022-2588](https://security-tracker.debian.org/tracker/CVE-2022-2588)\nZhenpeng Lin discovered a use-after-free flaw in the cls\\_route\n filter implementation which may result in local privilege\n escalation for a user with the CAP\\_NET\\_ADMIN capability in any\n user or network namespace.\n* [CVE-2022-2663](https://security-tracker.debian.org/tracker/CVE-2022-2663)\nDavid Leadbeater reported flaws in the nf\\_conntrack\\_irc\n connection-tracking protocol module. When this module is enabled\n on a firewall, an external user on the same IRC network as an\n internal user could exploit its lax parsing to open arbitrary TCP\n ports in the firewall, to reveal their public IP address, or to\n block their IRC connection at the firewall.\n* [CVE-2022-3028](https://security-tracker.debian.org/tracker/CVE-2022-3028)\nAbhishek Shah reported a race condition in the AF\\_KEY subsystem,\n which could lead to an out-of-bounds write or read. A local user\n could exploit this to cause a denial of service (crash or memory\n corruption), to obtain sensitive information, or possibly for\n privilege escalation.\n* [CVE-2022-26365](https://security-tracker.debian.org/tracker/CVE-2022-26365), [CVE-2022-33740](https://security-tracker.debian.org/tracker/CVE-2022-33740), [CVE-2022-33741](https://security-tracker.debian.org/tracker/CVE-2022-33741), [CVE-2022-33742](https://security-tracker.debian.org/tracker/CVE-2022-33742)\nRoger Pau Monne discovered that Xen block and network PV device\n frontends don't zero out memory regions before sharing them with\n the backend, which may result in information disclosure.\n Additionally it was discovered that the granularity of the grant\n table doesn't permit sharing less than a 4k page, which may also\n result in information disclosure.\n* [CVE-2022-26373](https://security-tracker.debian.org/tracker/CVE-2022-26373)\nIt was discovered that on certain processors with Intel's Enhanced\n Indirect Branch Restricted Speculation (eIBRS) capabilities there\n are exceptions to the documented properties in some situations,\n which may result in information disclosure.\n\n\nIntel's explanation of the issue can be found at\n <https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/post-barrier-return-stack-buffer-predictions.html>\n* [CVE-2022-33744](https://security-tracker.debian.org/tracker/CVE-2022-33744)\nOleksandr Tyshchenko discovered that ARM Xen guests can cause a\n denial of service to the Dom0 via paravirtual devices.\n* [CVE-2022-36879](https://security-tracker.debian.org/tracker/CVE-2022-36879)\nA flaw was discovered in xfrm\\_expand\\_policies in the xfrm\n subsystem which can cause a reference count to be dropped twice.\n* [CVE-2022-36946](https://security-tracker.debian.org/tracker/CVE-2022-36946)\nDomingo Dirutigliano and Nicola Guerrera reported a memory\n corruption flaw in the Netfilter subsystem which may result in\n denial of service.\n* [CVE-2022-39188](https://security-tracker.debian.org/tracker/CVE-2022-39188)\nJann Horn reported a race condition in the kernel's handling of\n unmapping of certain memory ranges. When a driver created a\n memory mapping with the VM\\_PFNMAP flag, which many GPU drivers do,\n the memory mapping could be removed and freed before it was\n flushed from the CPU TLBs. This could result in a page\n use\u00e2\u0080\u0094after-free. A local user with access to such a device could\n exploit this to cause a denial of service (crash or memory\n corruption) or possibly for privilege escalation.\n* [CVE-2022-39842](https://security-tracker.debian.org/tracker/CVE-2022-39842)\nAn integer overflow was discovered in the pxa3xx-gcu video driver\n which could lead to a heap out-of-bounds write.\n\n\nThis driver is not enabled in Debian's official kernel\n configurations.\n* [CVE-2022-40307](https://security-tracker.debian.org/tracker/CVE-2022-40307)\nA race condition was discovered in the EFI capsule-loader driver,\n which could lead to use-after-free. A local user permitted to\n access this device (/dev/efi\\_capsule\\_loader) could exploit this to\n cause a denial of service (crash or memory corruption) or possibly\n for privilege escalation. However, this device is normally only\n accessible by the root user.\n\n\nFor Debian 10 buster, these problems have been fixed in version\n4.19.260-1.\n\n\nWe recommend that you upgrade your linux packages.\n\n\nFor the detailed security status of linux please refer to\nits security tracker page at:\n<https://security-tracker.debian.org/tracker/linux>\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 5.9}, "published": "2022-10-02T00:00:00", "type": "osv", "title": "linux - security update", "bulletinFamily": "software", "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"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2022-2586", "CVE-2022-36946", "CVE-2022-40307", "CVE-2022-2318", "CVE-2021-33655", "CVE-2022-2588", "CVE-2022-2153", "CVE-2022-39188", "CVE-2022-26365", "CVE-2021-33656", "CVE-2022-36879", "CVE-2022-39842", "CVE-2022-33740", "CVE-2022-2663", "CVE-2022-26373", "CVE-2022-3028", "CVE-2022-33742", "CVE-2022-1462", "CVE-2022-33741", "CVE-2022-33744", "CVE-2021-4159", "CVE-2022-1679"], "modified": "2022-10-02T19:26:56", "id": "OSV:DLA-3131-1", "href": "https://osv.dev/vulnerability/DLA-3131-1", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}], "nessus": [{"lastseen": "2023-05-17T16:34:36", "description": "The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5579-1 advisory.\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). 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vulnerabilities with bare (non-shim) 32-bit PV guests 32-bit x86 PV guest kernels run in ring 1. 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 - 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. (CVE-2022-33746)\n\n - lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. While doing so, locking requirements were not paid attention to. As a result two cooperating guests granting each other transitive grants can cause locks to be acquired nested within one another, but in respectively opposite order. With suitable timing between the involved grant copy operations this may result in the locking up of a CPU. 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(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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that apply to\\n' +\n 'packages only available in SUSE Enterprise Linux Server LTSS\\n' +\n 'repositories. Access to these package security updates require\\n' +\n 'a paid SUSE LTSS subscription.\\n';\n security_report_v4(\n port : 0,\n severity : SECURITY_HOLE,\n extra : rpm_report_get() + ltss_plugin_caveat\n );\n exit(0);\n}\nelse\n{\n var tested = pkg_tests_get();\n if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);\n else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc');\n}\n", "cvss": {"score": 0.0, "vector": "NONE"}}, {"lastseen": "2023-05-17T16:33:39", "description": "The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:2721-1 advisory.\n\n - In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770. (CVE-2020-15393)\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 - Product: AndroidVersions: Android kernelAndroid ID: A-173788806References: Upstream kernel (CVE-2021-39713)\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 - 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 - 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 - 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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This could lead\n to local escalation of privilege with System execution privileges needed. User interaction is not needed\n for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-174846563References: Upstream\n kernel (CVE-2022-20154)\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). (CVE-2022-26365, CVE-2022-33740, CVE-2022-33741, CVE-2022-33742)\n\n - Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution\n under certain microarchitecture-dependent conditions. (CVE-2022-29900)\n\n - Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their\n retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can\n hijack return instructions to achieve arbitrary speculative code execution under certain\n microarchitecture-dependent conditions. (CVE-2022-29901)\n\n - drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of\n a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.\n (CVE-2022-33981)\n\nNote that Nessus has not tested for these issues but has instead relied only on the application's self-reported version\nnumber.\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1177282\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1194013\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1196901\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1199487\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1199657\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200571\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200599\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200604\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200605\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200608\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200619\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200692\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1200762\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1201050\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1201080\");\n script_set_attribute(attribute:\"see_also\", value:\"https://bugzilla.suse.com/1201251