Use After Free Affecting kernel-abi-stablelists package, versions <0:5.14.0-162.22.2.el9_1
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Test your applications- Snyk ID SNYK-ALMALINUX9-KERNELABISTABLELISTS-5615046
- published 28 May 2023
- disclosed 27 Mar 2023
Introduced: 27 Mar 2023
CVE-2023-0266 Open this link in a new tabHow to fix?
Upgrade AlmaLinux:9
kernel-abi-stablelists
to version 0:5.14.0-162.22.2.el9_1 or higher.
This issue was patched in ALSA-2023:1470
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists
package and not the kernel-abi-stablelists
package as distributed by AlmaLinux
.
See How to fix?
for AlmaLinux:9
relevant fixed versions and status.
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
References
- https://errata.almalinux.org/9/ALSA-2023-1469.html
- https://errata.almalinux.org/9/ALSA-2023-1470.html
- https://errata.almalinux.org/8/ALSA-2023-1566.html
- https://errata.almalinux.org/8/ALSA-2023-1584.html
- https://access.redhat.com/security/cve/CVE-2023-0266
- https://access.redhat.com/errata/RHSA-2023:1469
- https://access.redhat.com/errata/RHSA-2023:1470
- https://access.redhat.com/errata/RHSA-2023:1566
- https://access.redhat.com/errata/RHSA-2023:1584
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4
- https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e
- https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog