CVEvulnerability

CVE-2026-31491

5.5 MEDIUM Published 2026-04-22 Modified 2026-06-17 Official page ↗

Status: Analyzed
Published: 2026-04-22
Last modified: 2026-06-17
Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 ([email protected]): 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses: CWE-190

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Harden depth calculation functions An issue was exposed where OS can pass in U32_MAX for SQ/RQ/SRQ size. This can cause integer overflow and truncation of SQ/RQ/SRQ depth returning a success when it should have failed. Harden the functions to do all depth calculations and boundary checking in u64 sizes.

Affected configurations

• linux linux kernel (>= 6.18.1 < 6.18.21) • linux linux kernel (>= 6.19 < 6.19.11) • linux linux kernel 6.18 • linux linux kernel 7.0

Weakness · CWE (1)

CWE-190 Integer Overflow or Wraparound weakness

References

https://git.kernel.org/stable/c/3f08351de5ca4f2f724b86ad252fbc21289467e1 Patch
https://git.kernel.org/stable/c/cbd852f5700eb3f64392452faf693ac45cae8281 Patch
https://git.kernel.org/stable/c/e37afcb56ae070477741fe2d6e61fc0c542cce2d Patch

CVE-2026-31491

Description

Affected configurations

Related

Weakness · CWE (1)

References