- 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
- Source
- cve-coordination@google.com
- NVD status
- Modified
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Severity
- HIGH
Data from CISA
- Vulnerability name
- Linux Kernel Use-After-Free Vulnerability
- Exploit added on
- Mar 30, 2023
- Exploit action due
- Apr 20, 2023
- Required action
- Apply updates per vendor instructions.
- Hype score
- Not currently trending
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