drm/amdgpu: Fix runtime PM leak in amdgpu_debugfs_test_ib_show()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98519
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:03 UTC
Updated2026-10-19 10:19:05 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix runtime PM leak in amdgpu_debugfs_test_ib_show() amdgpu_debugfs_test_ib_show() resumes the device with pm_runtime_get_sync() before taking the reset domain semaphore with down_write_killable(). If the write lock acquisition is interrupted, the function returns without calling pm_runtime_put_autosuspend(), leaking the runtime PM reference acquired for the device and keeping the GPU awake. Drop the runtime PM reference on the interrupted down_write_killable() error path before returning. (cherry picked from commit ec30a576c2d4c0364549e6c04218f50704ef56c8)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c fc5606ac91642d0f184b83ab833148c457c3c331 git Not specified
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c 2c1a643942caae938ea84df2648a9b0c136e09be git Not specified
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c e016347fb1829489e062ea51a98a51f48b1d582d git Not specified
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c c28e74395ab09922bbf5be42bc5a6ed1ba4f3c37 git Not specified
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c 2556dd3a36beb3a11041ef01b5e9762e2157909f git Not specified
CNA Linux Linux affected 6049db43d6dd9cbb9d7f897839d15b0bc600e23c 2b86ab1bd6673c525adda88819d7658ba9e784ec git Not specified
CNA Linux Linux affected 5.10 Not specified
CNA Linux Linux unaffected 5.10 semver Not specified
CNA Linux Linux unaffected 6.1.189 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.158 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.112 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.55 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.9 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/fc5606ac91642d0f184b83ab833148c457c3c331 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2556dd3a36beb3a11041ef01b5e9762e2157909f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c28e74395ab09922bbf5be42bc5a6ed1ba4f3c37 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2b86ab1bd6673c525adda88819d7658ba9e784ec 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2c1a643942caae938ea84df2648a9b0c136e09be 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e016347fb1829489e062ea51a98a51f48b1d582d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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