{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68369","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-30T09:28:09.386Z","datePublished":"2026-08-10T12:03:46.845Z","dateUpdated":"2026-08-19T16:34:28.812Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-19T16:34:28.812Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: printer: fix infinite loop in printer_read()\n\nprinter_read() uses the same variable for the requested copy size and\nthe number of bytes actually copied to user space. copy_to_user()\nreturns the number of bytes not copied, so when it fails to copy\nanything, the computed copied length becomes zero.\n\nIn that case len, buf, current_rx_bytes and current_rx_buf are left\nunchanged. If RX data is available and the user buffer remains\nunwritable, the read loop can repeat indefinitely.\n\nTrack the copied length separately and return -EFAULT, or the number of\nbytes already copied, if an iteration makes no progress."}],"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":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"3f81197364b57e5318620c75f3bd63f405f60552","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"e225e2998e5a9b83c838dbbe4511fb0d63f88daf","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"3081b0e187065c3b9577e393ad664b12854aeaf3","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"994afccfdcceb73be33f69a8a8ea71e260c9eca5","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"e03597ad9494b500344076589aeaa6c6d2d381d3","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"4cde0b38cc0cb8b7dc17295801015148de37d1d2","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"e41bbbbb1740ce4d7270ab1cdeca13892d6a8d2e","status":"affected","versionType":"git"},{"version":"b185f01a9ab7af586133be2555298e960237359b","lessThan":"c2e819be6a5c7f34344926b4bd7e3dfca58cf48a","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_printer.c"],"versions":[{"version":"4.1","status":"affected"},{"version":"0","lessThan":"4.1","status":"unaffected","versionType":"semver"},{"version":"5.10.265","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.216","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.183","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.148","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.101","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.42","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.6","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":"4.1","versionEndExcluding":"5.10.265"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3f81197364b57e5318620c75f3bd63f405f60552"},{"url":"https://git.kernel.org/stable/c/e225e2998e5a9b83c838dbbe4511fb0d63f88daf"},{"url":"https://git.kernel.org/stable/c/3081b0e187065c3b9577e393ad664b12854aeaf3"},{"url":"https://git.kernel.org/stable/c/994afccfdcceb73be33f69a8a8ea71e260c9eca5"},{"url":"https://git.kernel.org/stable/c/e03597ad9494b500344076589aeaa6c6d2d381d3"},{"url":"https://git.kernel.org/stable/c/4cde0b38cc0cb8b7dc17295801015148de37d1d2"},{"url":"https://git.kernel.org/stable/c/e41bbbbb1740ce4d7270ab1cdeca13892d6a8d2e"},{"url":"https://git.kernel.org/stable/c/c2e819be6a5c7f34344926b4bd7e3dfca58cf48a"}],"title":"usb: gadget: printer: fix infinite loop in printer_read()","x_generator":{"engine":"bippy-1.2.0"}}}}