SB20240620171 - Use-after-free in Linux kernel pci hda
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620171
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48735)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the snd_hda_gen_spec_free() and create_mute_led_cdev() functions in sound/pci/hda/hda_generic.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/a7de1002135cf94367748ffc695a29812d7633b5
- https://git.kernel.org/stable/c/0e629052f013eeb61494d4df2f1f647c2a9aef47
- https://git.kernel.org/stable/c/813e9f3e06d22e29872d4fd51b54992d89cf66c8
- https://git.kernel.org/stable/c/549f8ffc7b2f7561bea7f90930b6c5104318e87b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17