Double Free Affecting kernel-livepatch-5_3_18-24_67-default package, versions <10-2.1
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Test your applications- Snyk ID SNYK-SLES152-KERNELLIVEPATCH53182467DEFAULT-3265267
- published 14 Apr 2022
- disclosed 1 Mar 2022
Introduced: 1 Mar 2022
CVE-2021-22600 Open this link in a new tabHow to fix?
Upgrade SLES:15.2 kernel-livepatch-5_3_18-24_67-default to version 10-2.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-24_67-default package and not the kernel-livepatch-5_3_18-24_67-default package as distributed by SLES.
See How to fix? for SLES:15.2 relevant fixed versions and status.
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://bugzilla.suse.com/1195184
- https://bugzilla.suse.com/1195307
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
- https://www.debian.org/security/2022/dsa-5096
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://security.netapp.com/advisory/ntap-20230110-0002/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog