{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93214","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.093Z","datePublished":"2026-09-24T15:10:36.975Z","dateUpdated":"2026-09-24T15:10:36.975Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-24T15:10:36.975Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_tcm: fix deadlock in usbg_make_tpg()\n\nusbg_make_tpg() held dep_lock while calling\nconfigfs_depend_item_unlocked(), which acquires the configfs root\ninode lock when operating across subsystems. This creates a circular\nlock dependency with configfs_rmdir():\n\n  dep_lock -> configfs root inode lock -> su_mutex -> dep_lock\n\nIn usbg_make_tpg(), dep_lock only serialized the read of opts->ready,\nwhich is a monotonic flag that transitions from false to true exactly\nonce (in tcm_set_name()) and never reverts. Remove dep_lock from\nusbg_make_tpg() entirely and use READ_ONCE/WRITE_ONCE to access\nopts->ready locklessly instead."}],"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_tcm.c"],"versions":[{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"abad5daa41cf5d0a0a9cba0397d3a0e7f11e0277","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"3639438a4c83ffc2e564c8c010b92137c5d11cfa","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"78a14ea2284825055ab6c2a1f3489510f560f3a2","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"eef3e62f90d86c1c5651742f84ecc9db1814a893","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"f81a2da137b029a282b9bc64d2f267d242948659","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"6bcd9ee6ad6989d1d85a7459687e45b7ad7568d9","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"d90b0f90e30cd59b36005a4016b15cf02bcd7fb2","status":"affected","versionType":"git"},{"version":"4bb8548df632187d5db50878e71804af5f7c51ad","lessThan":"9dbf74f4022f80f7669d2b3c22c5deb46c1b5674","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_tcm.c"],"versions":[{"version":"4.5","status":"affected"},{"version":"0","lessThan":"4.5","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":"6.12.109","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.50","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.4","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","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":"4.5","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.5","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/abad5daa41cf5d0a0a9cba0397d3a0e7f11e0277"},{"url":"https://git.kernel.org/stable/c/3639438a4c83ffc2e564c8c010b92137c5d11cfa"},{"url":"https://git.kernel.org/stable/c/78a14ea2284825055ab6c2a1f3489510f560f3a2"},{"url":"https://git.kernel.org/stable/c/eef3e62f90d86c1c5651742f84ecc9db1814a893"},{"url":"https://git.kernel.org/stable/c/f81a2da137b029a282b9bc64d2f267d242948659"},{"url":"https://git.kernel.org/stable/c/6bcd9ee6ad6989d1d85a7459687e45b7ad7568d9"},{"url":"https://git.kernel.org/stable/c/d90b0f90e30cd59b36005a4016b15cf02bcd7fb2"},{"url":"https://git.kernel.org/stable/c/9dbf74f4022f80f7669d2b3c22c5deb46c1b5674"}],"title":"usb: gadget: f_tcm: fix deadlock in usbg_make_tpg()","x_generator":{"engine":"bippy-1.2.0"}}}}