{"api_version":"1","generated_at":"2026-10-21T23:53:05+00:00","cve":"CVE-2026-98758","urls":{"html":"https://cve.report/CVE-2026-98758","api":"https://cve.report/api/cve/CVE-2026-98758.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98758","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98758"},"summary":{"title":"usb: typec: ucsi: glink: fix use-after-free of ucsi on remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: glink: fix use-after-free of ucsi on remove\n\nThe pmic_glink client is released by the devres cleanup, which runs\nafter pmic_glink_ucsi_remove() has returned, so its notification\ncallbacks can queue work until then. Work that runs after\nucsi_unregister() has been called touches freed state: it dereferences\nthe connector array that ucsi_unregister() freed, or registers and\nunregisters the instance a second time.\n\nDisable both work items with disable_work_sync() before unregistering,\nand unregister only if the instance is still registered.\n\nThis issue was found by an in-house static analysis tool.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:29","updated_at":"2026-10-19 10:19:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/ee8577de01c6b6c7dd1d76b52242c54d37a989f4","name":"https://git.kernel.org/stable/c/ee8577de01c6b6c7dd1d76b52242c54d37a989f4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/63b269ec537dc0fd26d0bd64872c26860d108c9d","name":"https://git.kernel.org/stable/c/63b269ec537dc0fd26d0bd64872c26860d108c9d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/432b58cd959e594909a581b4974396cdbc9d4ca1","name":"https://git.kernel.org/stable/c/432b58cd959e594909a581b4974396cdbc9d4ca1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/41934f92e7a54d4080ac0b17aacc83224946785c","name":"https://git.kernel.org/stable/c/41934f92e7a54d4080ac0b17aacc83224946785c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98758","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98758","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 432b58cd959e594909a581b4974396cdbc9d4ca1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 41934f92e7a54d4080ac0b17aacc83224946785c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad ee8577de01c6b6c7dd1d76b52242c54d37a989f4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 62b5412b1f4afab27d8df90ddcabb8e1e11a00ad 63b269ec537dc0fd26d0bd64872c26860d108c9d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.113 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.56 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.10 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/typec/ucsi/ucsi_glink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"432b58cd959e594909a581b4974396cdbc9d4ca1","status":"affected","version":"62b5412b1f4afab27d8df90ddcabb8e1e11a00ad","versionType":"git"},{"lessThan":"41934f92e7a54d4080ac0b17aacc83224946785c","status":"affected","version":"62b5412b1f4afab27d8df90ddcabb8e1e11a00ad","versionType":"git"},{"lessThan":"ee8577de01c6b6c7dd1d76b52242c54d37a989f4","status":"affected","version":"62b5412b1f4afab27d8df90ddcabb8e1e11a00ad","versionType":"git"},{"lessThan":"63b269ec537dc0fd26d0bd64872c26860d108c9d","status":"affected","version":"62b5412b1f4afab27d8df90ddcabb8e1e11a00ad","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/typec/ucsi/ucsi_glink.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.113","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.56","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.113","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"6.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: glink: fix use-after-free of ucsi on remove\n\nThe pmic_glink client is released by the devres cleanup, which runs\nafter pmic_glink_ucsi_remove() has returned, so its notification\ncallbacks can queue work until then. Work that runs after\nucsi_unregister() has been called touches freed state: it dereferences\nthe connector array that ucsi_unregister() freed, or registers and\nunregisters the instance a second time.\n\nDisable both work items with disable_work_sync() before unregistering,\nand unregister only if the instance is still registered.\n\nThis issue was found by an in-house static analysis tool."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:25:11.783Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/432b58cd959e594909a581b4974396cdbc9d4ca1"},{"url":"https://git.kernel.org/stable/c/41934f92e7a54d4080ac0b17aacc83224946785c"},{"url":"https://git.kernel.org/stable/c/ee8577de01c6b6c7dd1d76b52242c54d37a989f4"},{"url":"https://git.kernel.org/stable/c/63b269ec537dc0fd26d0bd64872c26860d108c9d"}],"title":"usb: typec: ucsi: glink: fix use-after-free of ucsi on remove","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98758","datePublished":"2026-10-18T15:47:46.209Z","dateReserved":"2026-09-25T10:25:14.368Z","dateUpdated":"2026-10-19T09:25:11.783Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:29","lastModifiedDate":"2026-10-19 10:19:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98758","Ordinal":"1","Title":"usb: typec: ucsi: glink: fix use-after-free of ucsi on remove","CVE":"CVE-2026-98758","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98758","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: ucsi: glink: fix use-after-free of ucsi on remove\n\nThe pmic_glink client is released by the devres cleanup, which runs\nafter pmic_glink_ucsi_remove() has returned, so its notification\ncallbacks can queue work until then. Work that runs after\nucsi_unregister() has been called touches freed state: it dereferences\nthe connector array that ucsi_unregister() freed, or registers and\nunregisters the instance a second time.\n\nDisable both work items with disable_work_sync() before unregistering,\nand unregister only if the instance is still registered.\n\nThis issue was found by an in-house static analysis tool.","Type":"Description","Title":"usb: typec: ucsi: glink: fix use-after-free of ucsi on remove"}]}}}