NULL Pointer Dereference Affecting kernel-64k-debug-devel package, versions <0:5.14.0-284.11.1.el9_2
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNEL64KDEBUGDEVEL-5643789
- published 28 May 2023
- disclosed 9 May 2023
Introduced: 9 May 2023
CVE-2022-4128 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-64k-debug-devel to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ALSA-2023:2458.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug-devel package and not the kernel-64k-debug-devel package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
A NULL pointer dereference issue was discovered in the Linux kernel in the MPTCP protocol when traversing the subflow list at disconnect time. A local user could use this flaw to potentially crash the system causing a denial of service.
References
- https://errata.almalinux.org/9/ALSA-2023-2148.html
- https://errata.almalinux.org/9/ALSA-2023-2458.html
- https://access.redhat.com/security/cve/CVE-2022-4128
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/errata/RHSA-2023:2458
- https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau@linux.intel.com/
- https://github.com/torvalds/linux/commit/5c835bb142d4
- https://lore.kernel.org/netdev/20220708233610.410786-2-mathew.j.martineau%40linux.intel.com/