{"id":"CVE-2024-42090","state":"PUBLISHED","title":"pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER\n\nIn create_pinctrl(), pinctrl_maps_mutex is acquired before calling\nadd_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()\ncalls pinctrl_free(). However, pinctrl_free() attempts to acquire\npinctrl_maps_mutex, which is already held by create_pinctrl(), leading to\na potential deadlock.\n\nThis patch resolves the issue by releasing pinctrl_maps_mutex before\ncalling pinctrl_free(), preventing the deadlock.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, Inc.","publishedAt":"2024-07-29T16:26:30.139Z","updatedAt":"2026-10-15T00:47:35.788Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"e65a0dc2e85efb28e182aca50218e8a056d0ce04","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"420ce1261907e5dbeda1e4daffd5b6c76f8188c0","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"b813e3fd102a959c5b208ed68afe27e0137a561b","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"01fe2f885f7813f8aed5d3704b384a97b1116a9e","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"b36efd2e3e22a329444b6b24fa48df6d20ae66e6","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"4038c57bf61631219b31f1bd6e92106ec7f084dc","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"48a7a7c9571c3e62f17012dd7f2063e926179ddd","versionType":"git"},{"version":"42fed7ba44e4e8c1fb27b28ad14490cb1daff3c7","status":"affected","lessThan":"adec57ff8e66aee632f3dd1f93787c13d112b7a1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"4.19.317","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.279","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.221","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.162","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.97","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.37","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.8","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/core.c"]}],"references":["https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04","https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0","https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561b","https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9e","https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6","https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dc","https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179ddd","https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-265688.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42090.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42090","state":"PUBLISHED","datePublished":"2024-07-29T16:26:30.139Z","dateUpdated":"2026-10-15T00:47:35.788Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-07-29T15:50:41.172Z"},"containers":{"cna":{"title":"pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER\n\nIn create_pinctrl(), pinctrl_maps_mutex is acquired before calling\nadd_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()\ncalls pinctrl_free(). However, pinctrl_free() attempts to acquire\npinctrl_maps_mutex, which is already held by create_pinctrl(), leading to\na potential deadlock.\n\nThis patch resolves the issue by releasing pinctrl_maps_mutex before\ncalling pinctrl_free(), preventing the deadlock.\n\nThis bug was discovered and resolved using Coverity Static Analysis\nSecurity Testing (SAST) by Synopsys, 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