Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset (FLR) concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's possible for a invalid memory access to happen. Always set the deallocated scratch area to NULL after FLR completes.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.14, < 6.18.21 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/504c0e6751001ac46917c73e703f2b1b92cfc026Patch
- https://git.kernel.org/stable/c/867d0c801f21370d561420fa32f2ea1a7dc3a22dPatch
- https://git.kernel.org/stable/c/d6077df7b75d26e4edf98983836c05d00ebabd8dPatch
FAQ
What is CVE-2026-31442?
CVE-2026-31442 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset (FLR) concludes corr...
How severe is CVE-2026-31442?
CVE-2026-31442 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-31442?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.