Race Condition The advisory has been revoked - it doesn't affect any version of package kernel-devel-rt (opens in a new tab)
Threat Intelligence
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.
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Test your applications- Snyk IDSNYK-SLES153-KERNELDEVELRT-2993272
- published26 Aug 2022
- disclosed25 Aug 2022
Introduced: 25 Aug 2022
CVE-2020-36557 (opens in a new tab)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-devel-rt package and not the kernel-devel-rt package as distributed by SLES.
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.
References
- https://www.suse.com/security/cve/CVE-2020-36557.html
- https://lists.suse.com/pipermail/sle-security-updates/2022-August/011993.html
- https://www.suse.com/support/update/announcement/2022/suse-su-20222892-1/
- https://bugzilla.suse.com/1178134
- https://bugzilla.suse.com/1196616
- https://bugzilla.suse.com/1196867
- https://bugzilla.suse.com/1198829
- https://bugzilla.suse.com/1199364
- https://bugzilla.suse.com/1199647
- https://bugzilla.suse.com/1199648
- https://bugzilla.suse.com/1199665
- https://bugzilla.suse.com/1199670
- https://bugzilla.suse.com/1199695
- https://bugzilla.suse.com/1200521
- https://bugzilla.suse.com/1200598
- https://bugzilla.suse.com/1200644
- https://bugzilla.suse.com/1200651
- https://bugzilla.suse.com/1200762
- https://bugzilla.suse.com/1200910
- https://bugzilla.suse.com/1201196
- https://bugzilla.suse.com/1201206
- https://bugzilla.suse.com/1201251
- https://bugzilla.suse.com/1201381
- https://bugzilla.suse.com/1201429
- https://bugzilla.suse.com/1201442
- https://bugzilla.suse.com/1201458
- https://bugzilla.suse.com/1201635
- https://bugzilla.suse.com/1201636
- https://bugzilla.suse.com/1201644
- https://bugzilla.suse.com/1201645
- https://bugzilla.suse.com/1201664
- https://bugzilla.suse.com/1201672
- https://bugzilla.suse.com/1201673
- https://bugzilla.suse.com/1201676
- https://bugzilla.suse.com/1201742
- https://bugzilla.suse.com/1201752
- https://bugzilla.suse.com/1201846
- https://bugzilla.suse.com/1201930
- https://bugzilla.suse.com/1201940
- https://bugzilla.suse.com/1201941
- https://bugzilla.suse.com/1201954
- https://bugzilla.suse.com/1201956
- https://bugzilla.suse.com/1201958
- https://bugzilla.suse.com/1202087
- https://bugzilla.suse.com/1202154
- https://bugzilla.suse.com/1202312
- https://www.suse.com/security/cve/CVE-2020-36516/
- https://www.suse.com/security/cve/CVE-2020-36557/
- https://www.suse.com/security/cve/CVE-2020-36558/
- https://www.suse.com/security/cve/CVE-2021-33655/
- https://www.suse.com/security/cve/CVE-2021-33656/
- https://www.suse.com/security/cve/CVE-2022-1116/
- https://www.suse.com/security/cve/CVE-2022-1462/
- https://www.suse.com/security/cve/CVE-2022-20166/
- https://www.suse.com/security/cve/CVE-2022-21505/
- https://www.suse.com/security/cve/CVE-2022-2318/
- https://www.suse.com/security/cve/CVE-2022-26365/
- https://www.suse.com/security/cve/CVE-2022-2639/
- https://www.suse.com/security/cve/CVE-2022-29581/
- https://www.suse.com/security/cve/CVE-2022-33740/
- https://www.suse.com/security/cve/CVE-2022-33741/
- https://www.suse.com/security/cve/CVE-2022-33742/
- https://www.suse.com/security/cve/CVE-2022-36946/
- https://www.suse.com/support/security/rating/
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca4463bf8438b403596edd0ec961ca0d4fbe0220