{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90019","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.781Z","datePublished":"2026-09-16T10:33:24.173Z","dateUpdated":"2026-09-16T10:33:24.173Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-16T10:33:24.173Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: fix null pointer dereference in usb_put_function_instance()\n\nusb_put_function_instance() attempts to dereference fd inside fi struct\nto get mod in uvc_alloc_inst() error path. However, fd is not allocated\nuntil later in try_get_usb_function_instance() after allocating fi in\nuvc_alloc_inst() and thus guranteed to be null in error path. Fix this\nby adding a null check for fi->fd that returns if fd is null."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/functions.c"],"versions":[{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"0fc54a00954f9f4c3e3d4ffa64a530685d99a39b","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"6e6736c049683380f5e20becde498986e9293ca4","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"3a9691fff79bcce95338435599df6d3ae433cfdc","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"7a4f4ca7ff32ae24807c83e2a06d62b13378d53c","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"d3a7fa61997db3bf6dadef4c1bd87a4fa782a817","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"5117f236e9e30744338b425395d55913c4500897","status":"affected","versionType":"git"},{"version":"0062f6e56f70bd2230ba1ebd1667d1b32a1af3b2","lessThan":"6e74ac5c596fd246e37eadfc354567179ccbe9aa","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/gadget/functions.c"],"versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.51","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.5","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc2","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":"3.9","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.18.51"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"7.2.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"7.3-rc2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0fc54a00954f9f4c3e3d4ffa64a530685d99a39b"},{"url":"https://git.kernel.org/stable/c/6e6736c049683380f5e20becde498986e9293ca4"},{"url":"https://git.kernel.org/stable/c/3a9691fff79bcce95338435599df6d3ae433cfdc"},{"url":"https://git.kernel.org/stable/c/7a4f4ca7ff32ae24807c83e2a06d62b13378d53c"},{"url":"https://git.kernel.org/stable/c/6ea3a073ca97716d4a73df49a3bec1c3ccf8e2a0"},{"url":"https://git.kernel.org/stable/c/d3a7fa61997db3bf6dadef4c1bd87a4fa782a817"},{"url":"https://git.kernel.org/stable/c/5117f236e9e30744338b425395d55913c4500897"},{"url":"https://git.kernel.org/stable/c/6e74ac5c596fd246e37eadfc354567179ccbe9aa"}],"title":"usb: gadget: fix null pointer dereference in usb_put_function_instance()","x_generator":{"engine":"bippy-1.2.0"}}}}