Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-rt_debug-devel (opens in a new tab)
Threat Intelligence
Exploit Maturity
Exploit maturity not defined.
Not Defined
EPSS
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
0.05% (20th percentile)
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Test your applications- Snyk IDSNYK-SLES153-KERNELRTDEBUGDEVEL-3113809
- published12 Nov 2022
- disclosed10 Nov 2022
Introduced: 10 Nov 2022
CVE-2022-42703 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
Amendment
The SLES security team deemed this advisory irrelevant for SLES:15.3.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt_debug-devel package and not the kernel-rt_debug-devel package as distributed by SLES.
mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
References
- https://www.suse.com/security/cve/CVE-2022-42703.html
- https://lists.suse.com/pipermail/sle-security-updates/2022-November/012867.html
- https://www.suse.com/support/update/announcement/2022/suse-su-20223929-1/
- https://bugzilla.suse.com/1032323
- https://bugzilla.suse.com/1065729
- https://bugzilla.suse.com/1196018
- https://bugzilla.suse.com/1198702
- https://bugzilla.suse.com/1200465
- https://bugzilla.suse.com/1200788
- https://bugzilla.suse.com/1201725
- https://bugzilla.suse.com/1202686
- https://bugzilla.suse.com/1202700
- https://bugzilla.suse.com/1203066
- https://bugzilla.suse.com/1203098
- https://bugzilla.suse.com/1203387
- https://bugzilla.suse.com/1203391
- https://bugzilla.suse.com/1203496
- https://bugzilla.suse.com/1204053
- https://bugzilla.suse.com/1204166
- https://bugzilla.suse.com/1204168
- https://bugzilla.suse.com/1204170
- https://bugzilla.suse.com/1204354
- https://bugzilla.suse.com/1204355
- https://bugzilla.suse.com/1204382
- https://bugzilla.suse.com/1204402
- https://bugzilla.suse.com/1204415
- https://bugzilla.suse.com/1204417
- https://bugzilla.suse.com/1204431
- https://bugzilla.suse.com/1204439
- https://bugzilla.suse.com/1204470
- https://bugzilla.suse.com/1204479
- https://bugzilla.suse.com/1204574
- https://bugzilla.suse.com/1204575
- https://bugzilla.suse.com/1204619
- https://bugzilla.suse.com/1204635
- https://bugzilla.suse.com/1204637
- https://bugzilla.suse.com/1204646
- https://bugzilla.suse.com/1204647
- https://bugzilla.suse.com/1204653
- https://bugzilla.suse.com/1204728
- https://bugzilla.suse.com/1204753
- https://bugzilla.suse.com/1204754
- https://www.suse.com/security/cve/CVE-2021-4037/
- https://www.suse.com/security/cve/CVE-2022-2153/
- https://www.suse.com/security/cve/CVE-2022-28748/
- https://www.suse.com/security/cve/CVE-2022-2964/
- https://www.suse.com/security/cve/CVE-2022-2978/
- https://www.suse.com/security/cve/CVE-2022-3176/
- https://www.suse.com/security/cve/CVE-2022-3424/
- https://www.suse.com/security/cve/CVE-2022-3521/
- https://www.suse.com/security/cve/CVE-2022-3524/
- https://www.suse.com/security/cve/CVE-2022-3535/
- https://www.suse.com/security/cve/CVE-2022-3542/
- https://www.suse.com/security/cve/CVE-2022-3545/
- https://www.suse.com/security/cve/CVE-2022-3565/
- https://www.suse.com/security/cve/CVE-2022-3577/
- https://www.suse.com/security/cve/CVE-2022-3586/
- https://www.suse.com/security/cve/CVE-2022-3594/
- https://www.suse.com/security/cve/CVE-2022-3621/
- https://www.suse.com/security/cve/CVE-2022-3625/
- https://www.suse.com/security/cve/CVE-2022-3629/
- https://www.suse.com/security/cve/CVE-2022-3640/
- https://www.suse.com/security/cve/CVE-2022-3646/
- https://www.suse.com/security/cve/CVE-2022-3649/
- https://www.suse.com/security/cve/CVE-2022-39189/
- https://www.suse.com/security/cve/CVE-2022-42703/
- https://www.suse.com/security/cve/CVE-2022-43750/
- https://www.suse.com/support/security/rating/
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2351
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b
- https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b
- https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html