SB20260912293 - Heap-based buffer overflow in Linux kernel orangefs

Description

This security bulletin contains information about 1 vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2026-89497)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a local user to write past the end of an allocated keyword buffer.

The vulnerability exists due to a heap-based buffer overflow in orangefs_prepare_cdm_array() when processing a client debug entry that begins with a space. A local user can supply a client debug entry beginning with a space to write past the end of an allocated keyword buffer.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6
• https://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27
• https://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35
• https://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59