Double Free The advisory has been revoked - it doesn't affect any version of package kernel-source-rt (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
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-KERNELSOURCERT-2642957
- published14 Apr 2022
- disclosed21 Feb 2022
Introduced: 21 Feb 2022
CVE-2021-22600 (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-source-rt package and not the kernel-source-rt package as distributed by SLES.
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
References
- https://www.suse.com/security/cve/CVE-2021-22600.html
- https://lists.suse.com/pipermail/sle-security-updates/2022-February/010282.html
- https://www.suse.com/support/update/announcement/2022/suse-su-20220543-1/
- https://bugzilla.suse.com/1154353
- https://bugzilla.suse.com/1154488
- https://bugzilla.suse.com/1156395
- https://bugzilla.suse.com/1160634
- https://bugzilla.suse.com/1176447
- https://bugzilla.suse.com/1177599
- https://bugzilla.suse.com/1183405
- https://bugzilla.suse.com/1185377
- https://bugzilla.suse.com/1187428
- https://bugzilla.suse.com/1187723
- https://bugzilla.suse.com/1188605
- https://bugzilla.suse.com/1191881
- https://bugzilla.suse.com/1193096
- https://bugzilla.suse.com/1193506
- https://bugzilla.suse.com/1193802
- https://bugzilla.suse.com/1193861
- https://bugzilla.suse.com/1193864
- https://bugzilla.suse.com/1193867
- https://bugzilla.suse.com/1194048
- https://bugzilla.suse.com/1194227
- https://bugzilla.suse.com/1194291
- https://bugzilla.suse.com/1194880
- https://bugzilla.suse.com/1195009
- https://bugzilla.suse.com/1195065
- https://bugzilla.suse.com/1195073
- https://bugzilla.suse.com/1195183
- https://bugzilla.suse.com/1195184
- https://bugzilla.suse.com/1195254
- https://bugzilla.suse.com/1195267
- https://bugzilla.suse.com/1195293
- https://bugzilla.suse.com/1195307
- https://bugzilla.suse.com/1195371
- https://bugzilla.suse.com/1195476
- https://bugzilla.suse.com/1195477
- https://bugzilla.suse.com/1195478
- https://bugzilla.suse.com/1195479
- https://bugzilla.suse.com/1195480
- https://bugzilla.suse.com/1195481
- https://bugzilla.suse.com/1195482
- https://www.suse.com/security/cve/CVE-2020-28097/
- https://www.suse.com/security/cve/CVE-2021-22600/
- https://www.suse.com/security/cve/CVE-2021-39648/
- https://www.suse.com/security/cve/CVE-2021-39657/
- https://www.suse.com/security/cve/CVE-2021-39685/
- https://www.suse.com/security/cve/CVE-2021-45095/
- https://www.suse.com/security/cve/CVE-2022-0286/
- https://www.suse.com/security/cve/CVE-2022-0330/
- https://www.suse.com/security/cve/CVE-2022-22942/
- https://www.suse.com/support/security/rating/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20230110-0002/
- https://www.debian.org/security/2022/dsa-5096
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22600
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog