SB20260507240 - Improper resource shutdown or release in Linux kernel memory driver
Published: May 7, 2026
Security Bulletin ID
SB20260507240
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper resource shutdown or release (CVE-ID: CVE-2025-71287)
CWE-ID: CWE-404 - Improper Resource Shutdown or Release
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in the mtk-smi larb probe logic when handling probe failures or driver unbind operations. A local user can trigger repeated probe deferral or unbind conditions to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/04057b86fdac3d4847913a97dc6552c0bff9b85e
- https://git.kernel.org/stable/c/1288bb394d464975cea18f69940f206e235e0fe7
- https://git.kernel.org/stable/c/1f23a48ff2b8ab47e514f7c84a4b1dbf9b848168
- https://git.kernel.org/stable/c/357e16a7fc9c1fef2ea37dce9bb6b9bcb1d1687d
- https://git.kernel.org/stable/c/9dae65913b32d05dbc8ff4b8a6bf04a0e49a8eb6
- https://git.kernel.org/stable/c/b9eccd59697f7e1cb9a714501d9af826e7f7e073
- https://git.kernel.org/stable/c/f69535b77fa0518ad39870c00dd2995439ed5c34