{"id":"CVE-2026-53107","state":"PUBLISHED","title":"wifi: libertas: don't kill URBs in interrupt context","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: don't kill URBs in interrupt context\n\nSerialization for the TX path was enforced by calling\nusb_kill_urb()/usb_kill_anchored_urbs(), to prevent transmission before\na previous URB was completed. usb_tx_block() can be called from\ninterrupt context (e.g. in the HCD giveback path), so we can't always\nuse it to kill in-flight URBs.\n\nPrevent sleeping during interrupt context by checking the tx_submitted\nanchor for existing URBs. We now return -EBUSY, to indicate there's\na pending request.","publishedAt":"2026-06-24T16:30:42.056Z","updatedAt":"2026-06-24T16:30:42.056Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3308c7504e093b22e91a4468470309cee2e26b83","status":"affected","lessThan":"00c0317cebf44151df18fb647781f315268cdd98","versionType":"git"},{"version":"d66676e6ca96bf8680f869a9bd6573b26c634622","status":"affected","lessThan":"4f273d3f98ebc60c30bbfb3ed4a7f0477d3eaed2","versionType":"git"},{"version":"d66676e6ca96bf8680f869a9bd6573b26c634622","status":"affected","lessThan":"7c5c2b661bdb78c1472b8833265c9ed1ee880039","versionType":"git"},{"version":"498525d8358d6d20918787e59736d5b6a021e9fd","status":"affected","versionType":"git"},{"version":"2902a9b4415a6bafc9b1e5dd360f065d757a0bb7","status":"affected","versionType":"git"},{"version":"948a39c95d0f8d73722910f8cdb7b6e3e9206232","status":"affected","versionType":"git"},{"version":"5bfb25495e391a1be0db94b15715174fa06b93a1","status":"affected","versionType":"git"},{"version":"b82073564373e68c6ae3a96039fae14cd002a496","status":"affected","versionType":"git"},{"version":"fc188b44547dea4e7350833171982a6312befde9","status":"affected","versionType":"git"},{"version":"6.18.16","status":"affected","lessThan":"6.18.33","versionType":"semver"},{"version":"5.10.252","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.202","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.165","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.128","status":"affected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.75","status":"affected","lessThan":"6.13","versionType":"semver"},{"version":"6.19.6","status":"affected","lessThan":"6.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/libertas/if_usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/libertas/if_usb.c"]}],"references":["https://git.kernel.org/stable/c/00c0317cebf44151df18fb647781f315268cdd98","https://git.kernel.org/stable/c/4f273d3f98ebc60c30bbfb3ed4a7f0477d3eaed2","https://git.kernel.org/stable/c/7c5c2b661bdb78c1472b8833265c9ed1ee880039"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53107.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53107","state":"PUBLISHED","datePublished":"2026-06-24T16:30:42.056Z","dateUpdated":"2026-06-24T16:30:42.056Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.385Z"},"containers":{"cna":{"title":"wifi: libertas: don't kill URBs in interrupt context","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libertas: don't kill URBs in interrupt context\n\nSerialization for the TX path was enforced by calling\nusb_kill_urb()/usb_kill_anchored_urbs(), to prevent transmission before\na previous URB was completed. usb_tx_block() can be called from\ninterrupt context (e.g. in the HCD giveback path), so we can't always\nuse it to kill in-flight URBs.\n\nPrevent sleeping during interrupt context by checking the tx_submitted\nanchor for existing URBs. We now return -EBUSY, to indicate there's\na pending request."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3308c7504e093b22e91a4468470309cee2e26b83","status":"affected","lessThan":"00c0317cebf44151df18fb647781f315268cdd98","versionType":"git"},{"version":"d66676e6ca96bf8680f869a9bd6573b26c634622","status":"affected","lessThan":"4f273d3f98ebc60c30bbfb3ed4a7f0477d3eaed2","versionType":"git"},{"version":"d66676e6ca96bf8680f869a9bd6573b26c634622","status":"affected","lessThan":"7c5c2b661bdb78c1472b8833265c9ed1ee880039","versionType":"git"},{"version":"498525d8358d6d20918787e59736d5b6a021e9fd","status":"affected","versionType":"git"},{"version":"2902a9b4415a6bafc9b1e5dd360f065d757a0bb7","status":"affected","versionType":"git"},{"version":"948a39c95d0f8d73722910f8cdb7b6e3e9206232","status":"affected","versionType":"git"},{"version":"5bfb25495e391a1be0db94b15715174fa06b93a1","status":"affected","versionType":"git"},{"version":"b82073564373e68c6ae3a96039fae14cd002a496","status":"affected","versionType":"git"},{"version":"fc188b44547dea4e7350833171982a6312befde9","status":"affected","versionType":"git"},{"version":"6.18.16","status":"affected","lessThan":"6.18.33","versionType":"semver"},{"version":"5.10.252","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.202","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"6.1.165","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.128","status":"affected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.75","status":"affected","lessThan":"6.13","versionType":"semver"},{"version":"6.19.6","status":"affected","lessThan":"6.20","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/libertas/if_usb.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/marvell/libertas/if_usb.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/00c0317cebf44151df18fb647781f315268cdd98"},{"url":"https://git.kernel.org/stable/c/4f273d3f98ebc60c30bbfb3ed4a7f0477d3eaed2"},{"url":"https://git.kernel.org/stable/c/7c5c2b661bdb78c1472b8833265c9ed1ee880039"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-24T16:30:42.056Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.16","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}