drm/amdkfd: Check bounds in allocate_event_notification_slot

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68259
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:14 UTC
Updated2026-08-18 07:16:51 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check bounds in allocate_event_notification_slot The valid event ids go from 0 to KFD_SIGNAL_EVENT_LIMIT allocate_event_notification_slot has an option to specify an event id to allocate at, used by CRIU. We weren't checking the bounds on that value. Check them. v2: Lower bounds check is unecessary because of idr_alloc already rejecting negative numbers. Upper bounds check should be KFD_SIGNAL_EVENT_LIMIT since the signal mode mappings might not yet exist (cherry picked from commit 6853f1f6cbbeb3f53ebbbd7286536aeb2c5d5f50)

Risk And Classification

EPSS: 0.001680000 probability, percentile 0.064780000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 40e8a766a761f7fdc8530347527b344fddf6f1a8 85eedff5f0c4aba5a66bc37a1bd6bcecd0d77b53 git Not specified
CNA Linux Linux affected 40e8a766a761f7fdc8530347527b344fddf6f1a8 4622214f0542f64b02c250db0f9c677eeb032d9b git Not specified
CNA Linux Linux affected 40e8a766a761f7fdc8530347527b344fddf6f1a8 50319efb865f72db45f191c8709511746d58ee0a git Not specified
CNA Linux Linux affected 40e8a766a761f7fdc8530347527b344fddf6f1a8 abeeb1947d81610c65349db4d89c6151f270e136 git Not specified
CNA Linux Linux affected 40e8a766a761f7fdc8530347527b344fddf6f1a8 bb52249fbbe948875155ccd45cd8d74bf4ae747b git Not specified
CNA Linux Linux affected 5.18 Not specified
CNA Linux Linux unaffected 5.18 semver Not specified
CNA Linux Linux unaffected 6.6.148 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.42 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/4622214f0542f64b02c250db0f9c677eeb032d9b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/85eedff5f0c4aba5a66bc37a1bd6bcecd0d77b53 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bb52249fbbe948875155ccd45cd8d74bf4ae747b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/50319efb865f72db45f191c8709511746d58ee0a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/abeeb1947d81610c65349db4d89c6151f270e136 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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