Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Add overflow check to remap_pfn_range during mmap The call to remap_pfn_range in qaic_gem_object_mmap is susceptible to (re)mapping beyond the VMA if the BO is too large. This can cause use after free issues when munmap() unmaps only the VMA region and not the additional mappings. To prevent this, check the remaining size of the VMA before remapping and truncate the remapped length if sg->length is too large. [jhugo: fix braces from checkpatch --strict]
CVSS Score
HIGH
References
- https://git.kernel.org/stable/c/8c795012d0e06b7740e40319b86ff8d2a435098d
- https://git.kernel.org/stable/c/8dd6edbe26770df147136c3f2ac976c873b82650
- https://git.kernel.org/stable/c/97a8e89cdef36207a8776edc03d6931763a06ad0
- https://git.kernel.org/stable/c/9baafc2fea096279e75480f93fd5942e8336b510
- https://git.kernel.org/stable/c/aa16b2bc0f02709919e2435f531406531e5bcc69
FAQ
What is CVE-2026-64051?
CVE-2026-64051 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Add overflow check to remap_pfn_range during mmap The call to remap_pfn_range in qaic_gem_object_mmap is susceptible t...
How severe is CVE-2026-64051?
CVE-2026-64051 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-2026-64051?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.