Use After Free Affecting kernel-rt-debug-modules-extra package, versions <0:5.14.0-284.11.1.rt14.296.el9_2
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELRTDEBUGMODULESEXTRA-5620997
- published 28 May 2023
- disclosed 9 May 2023
Introduced: 9 May 2023
CVE-2022-1882 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9 kernel-rt-debug-modules-extra to version 0:5.14.0-284.11.1.rt14.296.el9_2 or higher.
This issue was patched in ALSA-2023:2148.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by AlmaLinux.
See How to fix? for AlmaLinux:9 relevant fixed versions and status.
A use-after-free flaw was found in the Linux kernel’s pipes functionality in how a user performs manipulations with the pipe post_one_notification() after free_pipe_info() that is already called. This flaw allows a local user to crash or potentially escalate their privileges on the system.
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-2022-1882
- https://access.redhat.com/errata/RHSA-2023:2148
- https://access.redhat.com/errata/RHSA-2023:2458
- https://bugzilla.redhat.com/show_bug.cgi?id=2089701
- https://lore.kernel.org/lkml/20220507115605.96775-1-tcs.kernel@gmail.com/T/
- https://security.netapp.com/advisory/ntap-20220715-0002/
- https://lore.kernel.org/lkml/20220507115605.96775-1-tcs.kernel%40gmail.com/T/