{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31755","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.139Z","datePublished":"2026-05-01T14:14:46.288Z","dateUpdated":"2026-05-11T22:15:11.200Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:15:11.200Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: gadget: fix NULL pointer dereference in ep_queue\n\nWhen the gadget endpoint is disabled or not yet configured, the ep->desc\npointer can be NULL. This leads to a NULL pointer dereference when\n__cdns3_gadget_ep_queue() is called, causing a kernel crash.\n\nAdd a check to return -ESHUTDOWN if ep->desc is NULL, which is the\nstandard return code for unconfigured endpoints.\n\nThis prevents potential crashes when ep_queue is called on endpoints\nthat are not ready."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"],"versions":[{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"3d1433fe34b224b90259e207e5389e95b504ef04","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"fb2ad0c1334a3eccfe4ed203f9eef5a4879226f6","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"9ab9b0e5fcdac325f950fc8b6caa08a9e22a0db9","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"d61446dfc9d387775bb1b95b081953201b9222af","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"390536cc6af4ca5566bc3bf1f8b704700380cd2c","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"14bf08ab2cdfcdfd3f13e799d06692a1b3e0745f","status":"affected","versionType":"git"},{"version":"7733f6c32e36ff9d7adadf40001039bf219b1cbe","lessThan":"7f6f127b9bc34bed35f56faf7ecb1561d6b39000","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/cdns3/cdns3-gadget.c"],"versions":[{"version":"5.4","status":"affected"},{"version":"0","lessThan":"5.4","status":"unaffected","versionType":"semver"},{"version":"5.15.203","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.168","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.134","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.81","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.22","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.12","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.1.168"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.6.134"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.12.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.18.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3d1433fe34b224b90259e207e5389e95b504ef04"},{"url":"https://git.kernel.org/stable/c/fb2ad0c1334a3eccfe4ed203f9eef5a4879226f6"},{"url":"https://git.kernel.org/stable/c/9ab9b0e5fcdac325f950fc8b6caa08a9e22a0db9"},{"url":"https://git.kernel.org/stable/c/d61446dfc9d387775bb1b95b081953201b9222af"},{"url":"https://git.kernel.org/stable/c/390536cc6af4ca5566bc3bf1f8b704700380cd2c"},{"url":"https://git.kernel.org/stable/c/14bf08ab2cdfcdfd3f13e799d06692a1b3e0745f"},{"url":"https://git.kernel.org/stable/c/7f6f127b9bc34bed35f56faf7ecb1561d6b39000"}],"title":"usb: cdns3: gadget: fix NULL pointer dereference in ep_queue","x_generator":{"engine":"bippy-1.2.0"}}}}