SB2024123042 - Use-after-free in Linux kernel can
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123042
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-2024-56603)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the can_create() function in net/can/af_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/1fe625f12d090d69f3f084990c7e4c1ff94bfe5f
- https://git.kernel.org/stable/c/5947c9ac08f0771ea8ed64186b0d52e9029cb6c0
- https://git.kernel.org/stable/c/811a7ca7320c062e15d0f5b171fe6ad8592d1434
- https://git.kernel.org/stable/c/884ae8bcee749be43a071d6ed2d89058dbd2425c
- https://git.kernel.org/stable/c/8df832e6b945e1ba61467d7f1c9305e314ae92fe
- https://git.kernel.org/stable/c/ce39b5576785bb3e66591145aad03d66bc3e778d
- https://git.kernel.org/stable/c/db207d19adbac96058685f6257720906ad41d215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.66