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CVE-2026-98519

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

Linux LinuxOperating systems
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 10% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in2c1a643942caae938ea84df2648a9b0c136e09beAlso 2556dd3a36beb3a11041ef01b5e9762e2157909f, 2b86ab1bd6673c525adda88819d7658ba9e784ecCVE List
Published18 Oct 2026Updated 19 Oct 2026CVE List

What fixes it

  • 2c1a643942caae938ea84df2648a9b0c136e09beLinuxCVE List
  • 2556dd3a36beb3a11041ef01b5e9762e2157909fLinuxCVE List
  • 2b86ab1bd6673c525adda88819d7658ba9e784ecLinuxCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

In 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)

Text from CVE List

Affected versions 14

  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before fc5606ac91642d0f184b83ab833148c457c3c331CVE List
  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before 2c1a643942caae938ea84df2648a9b0c136e09beCVE List
  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before e016347fb1829489e062ea51a98a51f48b1d582dCVE List
  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before c28e74395ab09922bbf5be42bc5a6ed1ba4f3c37CVE List
  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before 2556dd3a36beb3a11041ef01b5e9762e2157909fCVE List
  • Linuxaffected: 6049db43d6dd9cbb9d7f897839d15b0bc600e23c before 2b86ab1bd6673c525adda88819d7658ba9e784ecCVE List
  • Linuxaffected: 5.10CVE List
  • Linuxunaffected: all versions before 5.10CVE List
  • Linuxunaffected: 6.1.189 through 6.1.*CVE List
  • Linuxunaffected: 6.6.158 through 6.6.*CVE List
  • Linuxunaffected: 6.12.112 through 6.12.*CVE List
  • Linuxunaffected: 6.18.55 through 6.18.*CVE List
  • Linuxunaffected: 7.2.9 through 7.2.*CVE List
  • Linuxunaffected: 7.3CVE List

References 6