{"id":"CVE-2026-98762","state":"PUBLISHED","title":"USB: dwc2: shut down wakeup timer before freeing HCD state","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: dwc2: shut down wakeup timer before freeing HCD state\n\ndwc2_wakeup_detected() accesses the DWC2 host state and can rearm the\nwakeup timer.  dwc2_hcd_free() currently deletes the timer only after\nfreeing host-owned state, and timer_delete() does not synchronize a\ncallback or prevent it from being queued again.\n\nStop and shut down the timer in dwc2_hcd_release(), before the HCD\nresources are freed.  This covers both the HCD initialization error path\nand normal HCD removal.","publishedAt":"2026-10-18T15:47:53.656Z","updatedAt":"2026-10-30T12:39:31.169Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"f3d76baa5b902f681100447e9d185819c5c1316d","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"0b2ea59d66d046d5601ffc3e61dd09d3597c704e","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"82cc242da6d621752718929e6a2fa6f9554ebffe","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"441be312fce927443eae2821f502344d953c38bb","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"4333174ea52c863a50bb3e0a4726bf9f7cdf7524","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"79ba37dd38a321cb32a79332a3e3c68dd334dca9","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"fd772af9512cdecb83de34a461801533828e77fd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/dwc2/hcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/dwc2/hcd.c"]}],"references":["https://git.kernel.org/stable/c/f3d76baa5b902f681100447e9d185819c5c1316d","https://git.kernel.org/stable/c/0b2ea59d66d046d5601ffc3e61dd09d3597c704e","https://git.kernel.org/stable/c/82cc242da6d621752718929e6a2fa6f9554ebffe","https://git.kernel.org/stable/c/441be312fce927443eae2821f502344d953c38bb","https://git.kernel.org/stable/c/4333174ea52c863a50bb3e0a4726bf9f7cdf7524","https://git.kernel.org/stable/c/79ba37dd38a321cb32a79332a3e3c68dd334dca9","https://git.kernel.org/stable/c/fd772af9512cdecb83de34a461801533828e77fd"],"weaknesses":[],"ingestedAt":"2026-10-30T13:00:06.648Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98762.json","commit":"cb14bf1b43b0c9f05f7f40eae2246263fd430780","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98762","state":"PUBLISHED","datePublished":"2026-10-18T15:47:53.656Z","dateUpdated":"2026-10-30T12:39:31.169Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.368Z"},"containers":{"cna":{"title":"USB: dwc2: shut down wakeup timer before freeing HCD state","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: dwc2: shut down wakeup timer before freeing HCD state\n\ndwc2_wakeup_detected() accesses the DWC2 host state and can rearm the\nwakeup timer.  dwc2_hcd_free() currently deletes the timer only after\nfreeing host-owned state, and timer_delete() does not synchronize a\ncallback or prevent it from being queued again.\n\nStop and shut down the timer in dwc2_hcd_release(), before the HCD\nresources are freed.  This covers both the HCD initialization error path\nand normal HCD removal."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"f3d76baa5b902f681100447e9d185819c5c1316d","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"0b2ea59d66d046d5601ffc3e61dd09d3597c704e","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"82cc242da6d621752718929e6a2fa6f9554ebffe","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"441be312fce927443eae2821f502344d953c38bb","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"4333174ea52c863a50bb3e0a4726bf9f7cdf7524","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"79ba37dd38a321cb32a79332a3e3c68dd334dca9","versionType":"git"},{"version":"7359d482eb4d3967cc8be354405ae6be6eaf732c","status":"affected","lessThan":"fd772af9512cdecb83de34a461801533828e77fd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/dwc2/hcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/dwc2/hcd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f3d76baa5b902f681100447e9d185819c5c1316d"},{"url":"https://git.kernel.org/stable/c/0b2ea59d66d046d5601ffc3e61dd09d3597c704e"},{"url":"https://git.kernel.org/stable/c/82cc242da6d621752718929e6a2fa6f9554ebffe"},{"url":"https://git.kernel.org/stable/c/441be312fce927443eae2821f502344d953c38bb"},{"url":"https://git.kernel.org/stable/c/4333174ea52c863a50bb3e0a4726bf9f7cdf7524"},{"url":"https://git.kernel.org/stable/c/79ba37dd38a321cb32a79332a3e3c68dd334dca9"},{"url":"https://git.kernel.org/stable/c/fd772af9512cdecb83de34a461801533828e77fd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:39:31.169Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}