SB2026070268 - Infinite loop in Linux kernel nvmem layouts driver
Published: July 2, 2026
Security Bulletin ID
SB2026070268
CSH 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 vulnerability.
1) Infinite loop (CVE-ID: CVE-2026-53336)
CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to cause a denial of service.
The vulnerability exists due to an infinite loop in the onie-tlv nvmem layout driver when parsing EEPROM entries with unknown types. A local attacker can provide a crafted EEPROM image containing a vendor-specific or otherwise unknown TLV entry to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/033d498b0f473c6456be5f885be172024ad84972
- https://git.kernel.org/stable/c/4a4d21f531ccf5bb333d99b620e0d66551f3652c
- https://git.kernel.org/stable/c/4f27eb01619c36cc8e3ce9a2a9af97f145f5d1c6
- https://git.kernel.org/stable/c/ea41020b9018e31c2ea7e9d89021e3e6d7470883
- https://git.kernel.org/stable/c/fd47edeabadfaa75422009dc5894e92c4c697517