vulnerability

Red Hat: CVE-2023-0266: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
2023-01-30
Added
2023-03-16
Modified
2025-02-20

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

Solution(s)

redhat-upgrade-kernelredhat-upgrade-kernel-rt
Title
NEW

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