SB20260816283 - Out-of-bounds read in Linux kernel leds driver
Published: August 16, 2026
Security Bulletin ID
SB20260816283
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2026-72241)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to an out-of-bounds read in the uleds_write function when processing a user-supplied LED name string. A local user can supply a non-null-terminated string to disclose sensitive information.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/263ccdd627caeda6e980ed3c6e32bb4fd6b380b1
- https://git.kernel.org/stable/c/5ad6f6c9209e5777b896def9876708853ae26d0d
- https://git.kernel.org/stable/c/5bb89e23729f3a59592d699a437bb001f24b8f67
- https://git.kernel.org/stable/c/6dd51d84a9502553e58beade72823258871b8111
- https://git.kernel.org/stable/c/8bf529571cca60fb8af65d6d034bdbbc99a9127c
- https://git.kernel.org/stable/c/a84c59121dfdc7b324f72dc5012aa8fe5e7d2d7b
- https://git.kernel.org/stable/c/a91ac9fdac7385cbc98aeae55b4e5302125497a2
- https://git.kernel.org/stable/c/c19fe864f667afc49d1391d764e20b66555bcf7a