SB2025070560 - Input validation error in Linux kernel jffs2
Published: July 5, 2025
Security Bulletin ID
SB2025070560
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-38194)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the jffs2_sum_write_sumnode() function in fs/jffs2/summary.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/337f80f3d546e131c7aa90b61d8cde051ae858c7
- https://git.kernel.org/stable/c/346cfb9d19ea7feb6fb57917b21c4797fb444dab
- https://git.kernel.org/stable/c/3f46644a5131a4793fc95c32a7d0a769745b06e7
- https://git.kernel.org/stable/c/4adee34098a6ee86a54bf3ec885eab620c126a6b
- https://git.kernel.org/stable/c/8ce46dc5b10b0b6f67663202a4921b0e11ad7367
- https://git.kernel.org/stable/c/c0edcdb4fc106d69a2d1a0ce4868193511c389f3
- https://git.kernel.org/stable/c/da12ef7e19048dc5714032c2db587a215852b200
- https://git.kernel.org/stable/c/ec9e6f22bce433b260ea226de127ec68042849b0