SB2025091977 - Use-after-free in Linux kernel vme bridges driver
Published: September 19, 2025 Updated: September 22, 2025
Security Bulletin ID
SB2025091977
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-2022-50384)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the tsi148_dma_list_add() function in drivers/vme/bridges/vme_tsi148.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/1f5661388f43df3ac106ce93e67d8d22b16a78ff
- https://git.kernel.org/stable/c/357057ee55d3c99a5de5abe8150f7bca04f8e53b
- https://git.kernel.org/stable/c/51c0ad3b7c5b01f9314758335a13f157b05fa56d
- https://git.kernel.org/stable/c/5cc4eea715a3fcf4e516662f736dfee63979465f
- https://git.kernel.org/stable/c/5d2b286eb034af114f67d9967fc3fbc1829bb712
- https://git.kernel.org/stable/c/85db68fc901da52314ded80aace99f8b684c7815
- https://git.kernel.org/stable/c/a45ba33d398a821147d7e5f16ead7eb125e331e2
- https://git.kernel.org/stable/c/cf138759a7e92c75cfc1b7ba705e4108fe330edf
- https://git.kernel.org/stable/c/e6b0adff99edf246ba1f8d464530a0438cb1cbda
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270