CVE-2023-0266

Name
CVE-2023-0266
Description
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
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a02e1
MISC 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
MISC https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb055e
MISC https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= None < 6.2
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 4.15 < 4.19.270
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 4.20 < 5.4.229
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 5.5 < 5.10.163
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 5.16 < 6.1.6
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 5.11 < 5.15.88
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* linux_kernel >= 4.14 < 4.14.303

Vulnerable and fixed packages

Source package Branch Version Maintainer Status