SB20251226121 - Use-after-free in Linux kernel bluetooth hidp
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226121
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-2023-54120)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hidp_set_timer() function in net/bluetooth/hidp/core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0efb276d5848a3accc37c6f41b85e442c4768169
- https://git.kernel.org/stable/c/152f47bd6b995e0e98c85672f6d19894bc287ef2
- https://git.kernel.org/stable/c/248af9feca062a4ca9c3f2ccf67056c8a5eb817f
- https://git.kernel.org/stable/c/5f3d214d19899183d4e0cce7552998262112e4ab
- https://git.kernel.org/stable/c/8a99e6200c38b78a45dcd12a6bdc43fdf4dc36be
- https://git.kernel.org/stable/c/c95930abd687fcd1aa040dc4fe90dff947916460
- https://git.kernel.org/stable/c/f6719fd8f409fa1da8dc956e93822d25e1e8b360
- https://git.kernel.org/stable/c/f7ec5ca433ceead8d9d78fd2febff094f289441d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.178