SB20250502149 - Use-after-free in Linux kernel dsa
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502149
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-2025-37786)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the dsa_tree_teardown_lags(), dsa_tree_setup(), dsa_tree_teardown_switches() and dsa_tree_teardown() functions in net/dsa/dsa.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/5c8066fbdb9653c6e9a224bdcd8f9c91a484f0de
- https://git.kernel.org/stable/c/8bf108d7161ffc6880ad13a0cc109de3cf631727
- https://git.kernel.org/stable/c/a038f5f15af455dfe35bc68549e02b950978700a
- https://git.kernel.org/stable/c/fb12b460ec46c9efad98de6d9ba349691db51dc7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.88