{"id":"CVE-2023-52898","state":"PUBLISHED","title":"xhci: Fix null pointer dereference when host dies","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference when host dies\n\nMake sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race\nand cause null pointer dereference when host suddenly dies.\n\nUsb core may call xhci_free_dev() which frees the xhci->devs[slot_id]\nvirt device at the same time that xhci_kill_endpoint_urbs() tries to\nloop through all the device's endpoints, checking if there are any\ncancelled urbs left to give back.\n\nhold the xhci spinlock while freeing the virt device","publishedAt":"2024-08-21T06:10:38.365Z","updatedAt":"2026-05-11T19:35:07.527Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"133b902378e4acbd824c29dd0d48570ad596e368","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"081105213ff6f661c114781d469233c7d0e09c2e","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"c462ac871f49753eca86bb960f573b993976a5ea","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"ea2ee5e9991caf74e0604f994c1831a5867055b2","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"a2bc47c43e70cf904b1af49f76d572326c08bca7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.271","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.230","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.165","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.90","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.8","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci.c"]}],"references":["https://git.kernel.org/stable/c/6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1","https://git.kernel.org/stable/c/133b902378e4acbd824c29dd0d48570ad596e368","https://git.kernel.org/stable/c/081105213ff6f661c114781d469233c7d0e09c2e","https://git.kernel.org/stable/c/c462ac871f49753eca86bb960f573b993976a5ea","https://git.kernel.org/stable/c/ea2ee5e9991caf74e0604f994c1831a5867055b2","https://git.kernel.org/stable/c/a2bc47c43e70cf904b1af49f76d572326c08bca7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52898.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52898","state":"PUBLISHED","datePublished":"2024-08-21T06:10:38.365Z","dateUpdated":"2026-05-11T19:35:07.527Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T06:07:11.014Z"},"containers":{"cna":{"title":"xhci: Fix null pointer dereference when host dies","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxhci: Fix null pointer dereference when host dies\n\nMake sure xhci_free_dev() and xhci_kill_endpoint_urbs() do not race\nand cause null pointer dereference when host suddenly dies.\n\nUsb core may call xhci_free_dev() which frees the xhci->devs[slot_id]\nvirt device at the same time that xhci_kill_endpoint_urbs() tries to\nloop through all the device's endpoints, checking if there are any\ncancelled urbs left to give back.\n\nhold the xhci spinlock while freeing the virt device"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"133b902378e4acbd824c29dd0d48570ad596e368","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"081105213ff6f661c114781d469233c7d0e09c2e","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"c462ac871f49753eca86bb960f573b993976a5ea","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"ea2ee5e9991caf74e0604f994c1831a5867055b2","versionType":"git"},{"version":"11ec7588a10d4bc2e1e385ac565d2166d375fba1","status":"affected","lessThan":"a2bc47c43e70cf904b1af49f76d572326c08bca7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.271","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.230","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.165","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.90","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.8","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/host/xhci.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6fac4b5cecb3928a0a81069aaa815a2edc8dd5a1"},{"url":"https://git.kernel.org/stable/c/133b902378e4acbd824c29dd0d48570ad596e368"},{"url":"https://git.kernel.org/stable/c/081105213ff6f661c114781d469233c7d0e09c2e"},{"url":"https://git.kernel.org/stable/c/c462ac871f49753eca86bb960f573b993976a5ea"},{"url":"https://git.kernel.org/stable/c/ea2ee5e9991caf74e0604f994c1831a5867055b2"},{"url":"https://git.kernel.org/stable/c/a2bc47c43e70cf904b1af49f76d572326c08bca7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:35:07.527Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.230"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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