s390/cio: use generic driver_override infrastructure

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Summary

CVECVE-2026-53117
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:26 UTC
Updated2026-06-24 17:17:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: s390/cio: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, thus accessing the driver_override field without a lock, which can cause a UAF. Fix this by using the driver-core driver_override infrastructure taking care of proper locking internally. Note that calling match() from __driver_attach() without the device lock held is intentional. [1]

Risk And Classification

EPSS: 0.001710000 probability, percentile 0.066870000 (date 2026-06-25)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ebc3d179150347f3b6d97d8f249378bb2218f95e c4295487124f461405e1ef64dfa8c4ab0cb7ebcf git Not specified
CNA Linux Linux affected ebc3d179150347f3b6d97d8f249378bb2218f95e 106d594711e97762788046c5bbb94f580abc4bf4 git Not specified
CNA Linux Linux affected ebc3d179150347f3b6d97d8f249378bb2218f95e 2081957d8c323ffb58a10bc64837717ac5a042a1 git Not specified
CNA Linux Linux affected ebc3d179150347f3b6d97d8f249378bb2218f95e b660ba045b2b22cf3b4be72773de00cb48f47be5 git Not specified
CNA Linux Linux affected ebc3d179150347f3b6d97d8f249378bb2218f95e ac4d8bb6e2e13e8684a76ea48d13ebaaaf5c24c4 git Not specified
CNA Linux Linux affected 5.3 Not specified
CNA Linux Linux unaffected 5.3 semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2081957d8c323ffb58a10bc64837717ac5a042a1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ac4d8bb6e2e13e8684a76ea48d13ebaaaf5c24c4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b660ba045b2b22cf3b4be72773de00cb48f47be5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/106d594711e97762788046c5bbb94f580abc4bf4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c4295487124f461405e1ef64dfa8c4ab0cb7ebcf 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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