7.9
High
Exploited
CVE-2023-0266 Linux Kernel Use-After-Free Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Not observed so far
Weakness
CWE-416
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
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Kernel | Versions not published |
References
- github.com github.com
- git.kernel.org git.kernel.org
- github.com github.com
- lists.debian.org lists.debian.org
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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