CVE-2026-80582
- Source
- https://cve.org/CVERecord?id=CVE-2026-80582
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80582.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-80582
- Downstream
- Published
- 2026-08-26T14:37:39.113Z
- Modified
- 2026-08-28T03:46:21.741002405Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- drm/shmem_helper: Check VMA boundaries for PMD mappings
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/shmem_helper: Check VMA boundaries for PMD mappings
In the ->huge_fault handler do not install a PMD huge page mapping if the huge page exceeds the boundaries of the VMA.
All other ->hugefault handlers have similar checks and the resulting mapping will trigger a VMBUGONVMA() if it ever reaches copypmdrange().
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80582.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/stable/c/12803e89a1e593fd1e784dfe7453f5e392ccaff2
- https://git.kernel.org/stable/c/617bbd08714857c1613d7c550d43a9092ec0fb97
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80582.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-80582
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git