{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64345","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T15:36:31.781Z","datePublished":"2026-07-25T08:50:07.069Z","dateUpdated":"2026-08-17T04:53:49.464Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T04:53:49.464Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_printer: take kref only for successful open\n\nprinter_open() returns -EBUSY when the character device is already\nopen, but it increments dev->kref regardless of the return value. VFS\ndoes not call ->release() for a failed open, so every rejected second\nopen permanently leaks one reference.\n\nMove kref_get() into the successful-open branch."}],"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_printer.c"],"versions":[{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"94ec20d97aa51547965a539f660a1fe79c6929a3","status":"affected","versionType":"git"},{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"75c0ad13e136961328253742501b4efc3988a587","status":"affected","versionType":"git"},{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"bf20c94fa6aaff945f0ae3a23f3212cd299f28d9","status":"affected","versionType":"git"},{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"8a5eba992c862b0c94411eecf9b7121e8636db38","status":"affected","versionType":"git"},{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"7f1f24c367938c5537e2308bf9a965f051d14774","status":"affected","versionType":"git"},{"version":"e8d5f92b8d30bb4ade76494490c3c065e12411b1","lessThan":"30adce93d5c4a5a1ec29d9249e3fdfcc391d406b","status":"affected","versionType":"git"},{"version":"25c95c6bd4dc50a3c20de0fa7f450ea02b2320fc","status":"affected","versionType":"git"},{"version":"4a47581cf010dc351d8069978080fdb000c0776d","status":"affected","versionType":"git"},{"version":"d9fe88b2a38dc700bf5bd3a09c7cd11bbc248367","status":"affected","versionType":"git"},{"version":"cedb0187b8ba929c3f76f28e6bc25804d65f8a54","status":"affected","versionType":"git"},{"version":"e9e791f5c39ab30e374a3b1a9c25ca7ff24988f3","status":"affected","versionType":"git"},{"version":"34f026263889e2827e04acdc3a0eb9ecbd191ef0","status":"affected","versionType":"git"},{"version":"5f845e5d18d151230476cf90aa46449f69ba2ef1","status":"affected","versionType":"git"},{"version":"4.4.241","lessThan":"4.5","status":"affected","versionType":"semver"},{"version":"4.9.241","lessThan":"4.10","status":"affected","versionType":"semver"},{"version":"4.14.203","lessThan":"4.15","status":"affected","versionType":"semver"},{"version":"4.19.154","lessThan":"4.20","status":"affected","versionType":"semver"},{"version":"5.4.73","lessThan":"5.5","status":"affected","versionType":"semver"},{"version":"5.8.17","lessThan":"5.9","status":"affected","versionType":"semver"},{"version":"5.9.2","lessThan":"5.10","status":"affected","versionType":"semver"}]},{"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_printer.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.96","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.39","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.4","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"5.10","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.241"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.73"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8.17"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/94ec20d97aa51547965a539f660a1fe79c6929a3"},{"url":"https://git.kernel.org/stable/c/75c0ad13e136961328253742501b4efc3988a587"},{"url":"https://git.kernel.org/stable/c/bf20c94fa6aaff945f0ae3a23f3212cd299f28d9"},{"url":"https://git.kernel.org/stable/c/8a5eba992c862b0c94411eecf9b7121e8636db38"},{"url":"https://git.kernel.org/stable/c/7f1f24c367938c5537e2308bf9a965f051d14774"},{"url":"https://git.kernel.org/stable/c/30adce93d5c4a5a1ec29d9249e3fdfcc391d406b"}],"title":"usb: gadget: f_printer: take kref only for successful open","x_generator":{"engine":"bippy-1.2.0"}}}}