SB20250226282 - Use-after-free in Linux kernel can m_can driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226282
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-2022-49275)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the m_can_tx_handler() function in drivers/net/can/m_can/m_can.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/08d90846e438ac22dc56fc49ec0b0d195831c5ed
- https://git.kernel.org/stable/c/2e8e79c416aae1de224c0f1860f2e3350fa171f8
- https://git.kernel.org/stable/c/31417073493f302d26ab66b3abc098d43227b835
- https://git.kernel.org/stable/c/4db7d6f481990dd179a9ee7126dc7aa31ea4fff3
- https://git.kernel.org/stable/c/7728d937ec403a1ceff9483023252d2cb8777f81
- https://git.kernel.org/stable/c/869016a2938ac44f7b2fb7fc22c89edad99eb9b3
- https://git.kernel.org/stable/c/d3892a747ab16b1eb6593a19d29f62c3b3f020ac
- https://git.kernel.org/stable/c/d93ed9aff64968f4cdad690712eb4f48ae537bde
- https://git.kernel.org/stable/c/f43e64076ff1b1dcb893fb77ad1204105f710a29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.33