PT-2026-34426 · Linux+2 · Linux Kernel+2
CVE-2026-31521
·
Published
2026-02-23
·
Updated
2026-08-30
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The module loader fails to verify the bounds of the ELF section index within the
simplify symbols() function. A symbol containing an out-of-bounds st shndx value, such as those defined as SHN XINDEX or SHN HIRESERVE, can trigger a kernel panic. This occurs when the module ELF is corrupted or legitimately utilizes SHN XINDEX.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Corruption
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Linuxmint
Linux Kernel
Ubuntu