SB2024093031 - Use-after-free in Linux kernel microchip vcap driver
Published: September 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024093031
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-2024-46831)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the vcap_api_encode_rule_test() function in drivers/net/ethernet/microchip/vcap/vcap_api_kunit.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b0804c286ccfcf5f5c004d5bf8a54c0508b5e86b
- https://git.kernel.org/stable/c/f7fe95f40c85311c98913fe6ae2c56adb7f767a7
- https://git.kernel.org/stable/c/a3c1e45156ad39f225cd7ddae0f81230a3b1e657
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.51