CVE-2026-31491
N/A
N/A
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 563e1feb5f6ed579acb55850f1bbb831aecf645a < 3f08351de5ca4f2f724b86ad252fbc21289467e1 | affected |
| Linux | Linux | 563e1feb5f6ed579acb55850f1bbb831aecf645a < cbd852f5700eb3f64392452faf693ac45cae8281 | affected |
| Linux | Linux | 563e1feb5f6ed579acb55850f1bbb831aecf645a < e37afcb56ae070477741fe2d6e61fc0c542cce2d | affected |
| Linux | Linux | 6.18 | affected |
| Linux | Linux | 0 < 6.18 | unaffected |
| Linux | Linux | 6.18.21 <= 6.18.* | unaffected |
| Linux | Linux | 6.19.11 <= 6.19.* | unaffected |
| Linux | Linux | 7.0 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/3f08351de5ca4f2f724b86ad252fbc21289467e1
- https://git.kernel.org/stable/c/cbd852f5700eb3f64392452faf693ac45cae8281
- https://git.kernel.org/stable/c/e37afcb56ae070477741fe2d6e61fc0c542cce2d
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