SB2025071114 - NULL pointer dereference in Linux kernel jffs2
Published: July 11, 2025
Security Bulletin ID
SB2025071114
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) NULL pointer dereference (CVE-ID: CVE-2025-38328)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the jffs2_scan_medium() function in fs/jffs2/scan.c, within the jffs2_mark_erased_block() function in fs/jffs2/erase.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/042fa922c84b5080401bcd8897d4ac4919d15075
- https://git.kernel.org/stable/c/2b6d96503255a3ed676cd70f8368870c6d6a25c6
- https://git.kernel.org/stable/c/38d767fb4a7766ec2058f97787e4c6e8d10343d6
- https://git.kernel.org/stable/c/7e860296d7808de1db175c1eda29f94a2955dcc4
- https://git.kernel.org/stable/c/cd42ddddd70abc7127c12b96c8c85dbd080ea56f
- https://git.kernel.org/stable/c/d1b81776f337a9b997f797c70ac0a26d838a2168
- https://git.kernel.org/stable/c/d96e6451a8d0fe62492d4cc942d695772293c05a
- https://git.kernel.org/stable/c/f41c625328777f9ad572901ba0b0065bb9c9c1da