usb: typec: ucsi: glink: fix use-after-free of ucsi on remove

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98758
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-18 16:17:29 UTC
Updated2026-10-19 10:19:39 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: glink: fix use-after-free of ucsi on remove The pmic_glink client is released by the devres cleanup, which runs after pmic_glink_ucsi_remove() has returned, so its notification callbacks can queue work until then. Work that runs after ucsi_unregister() has been called touches freed state: it dereferences the connector array that ucsi_unregister() freed, or registers and unregisters the instance a second time. Disable both work items with disable_work_sync() before unregistering, and unregister only if the instance is still registered. This issue was found by an in-house static analysis tool.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 432b58cd959e594909a581b4974396cdbc9d4ca1 git Not specified
CNA Linux Linux affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 41934f92e7a54d4080ac0b17aacc83224946785c git Not specified
CNA Linux Linux affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad ee8577de01c6b6c7dd1d76b52242c54d37a989f4 git Not specified
CNA Linux Linux affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 63b269ec537dc0fd26d0bd64872c26860d108c9d git Not specified
CNA Linux Linux affected 6.4 Not specified
CNA Linux Linux unaffected 6.4 semver Not specified
CNA Linux Linux unaffected 6.12.113 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.56 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.10 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ee8577de01c6b6c7dd1d76b52242c54d37a989f4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/63b269ec537dc0fd26d0bd64872c26860d108c9d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/432b58cd959e594909a581b4974396cdbc9d4ca1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/41934f92e7a54d4080ac0b17aacc83224946785c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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