{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50568","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-22T13:20:23.760Z","datePublished":"2025-10-22T13:23:25.136Z","dateUpdated":"2026-05-11T19:21:56.354Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:21:56.354Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_hid: fix f_hidg lifetime vs cdev\n\nThe embedded struct cdev does not have its lifetime correctly tied to\nthe enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN\nis held open while the gadget is deleted.\n\nThis can readily be replicated with libusbgx's example programs (for\nconciseness - operating directly via configfs is equivalent):\n\n\tgadget-hid\n\texec 3<> /dev/hidg0\n\tgadget-vid-pid-remove\n\texec 3<&-\n\nPull the existing device up in to struct f_hidg and make use of the\ncdev_device_{add,del}() helpers.  This changes the lifetime of the\ndevice object to match struct f_hidg, but note that it is still added\nand deleted at the same time."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/f_hid.c"],"versions":[{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"1cd7f156f6389918f760687fbbf133c86da93162","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"c78c87c4e389b62f8892af7f59857447aa6d9797","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"1b6a53e447ec3d81623610c8c7ec5082b47dfdce","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"d3136b79705c2e3bba9c76adc5628af0215d798e","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"9e4b85d815b14bd4db2deea2a54264a23de8b896","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"9e08b7f5fa00e9d550851352bd0d1ba74ccffef2","status":"affected","versionType":"git"},{"version":"71adf118946957839a13aa4d1094183e05c6c094","lessThan":"89ff3dfac604614287ad5aad9370c3f984ea3f4b","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/function/f_hid.c"],"versions":[{"version":"2.6.35","status":"affected"},{"version":"0","lessThan":"2.6.35","status":"unaffected","versionType":"semver"},{"version":"4.19.270","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.229","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.163","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","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":"2.6.35","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/1cd7f156f6389918f760687fbbf133c86da93162"},{"url":"https://git.kernel.org/stable/c/c78c87c4e389b62f8892af7f59857447aa6d9797"},{"url":"https://git.kernel.org/stable/c/1b6a53e447ec3d81623610c8c7ec5082b47dfdce"},{"url":"https://git.kernel.org/stable/c/d3136b79705c2e3bba9c76adc5628af0215d798e"},{"url":"https://git.kernel.org/stable/c/9e4b85d815b14bd4db2deea2a54264a23de8b896"},{"url":"https://git.kernel.org/stable/c/9e08b7f5fa00e9d550851352bd0d1ba74ccffef2"},{"url":"https://git.kernel.org/stable/c/89ff3dfac604614287ad5aad9370c3f984ea3f4b"}],"title":"usb: gadget: f_hid: fix f_hidg lifetime vs cdev","x_generator":{"engine":"bippy-1.2.0"}}}}