{"id":"CVE-2026-45868","state":"PUBLISHED","title":"pinctrl: single: fix refcount leak in pcs_add_gpio_func()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: single: fix refcount leak in pcs_add_gpio_func()\n\nof_parse_phandle_with_args() returns a device_node pointer with refcount\nincremented in gpiospec.np. The loop iterates through all phandles but\nnever releases the reference, causing a refcount leak on each iteration.\n\nAdd of_node_put() calls to release the reference after extracting the\nneeded arguments and on the error path when devm_kzalloc() fails.\n\nThis bug was detected by our static analysis tool and verified by my\ncode review.","publishedAt":"2026-05-27T12:15:48.311Z","updatedAt":"2026-05-27T12:15:48.311Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"191bfd5710d6a7f48ba4315d8d3e908dcc15243c","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"3e3b28bb0b6ddc521a4fdd1c1ba0d35017a0796b","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"456a60d06c09a92680dc35fabca68024badcc28e","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"99cc7352156c65201c675f750e0e77c4c73d93f5","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"7814b1431848854b56717086e2b61bea3c59753d","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"e2e367e56bacb93ce5ac73f0b3297d5c83d38dd4","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"5b9e84d27e310f22c4ba45fedbc4f5baf43dd823","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"353353309b0f7afa407df29e455f9d15b5acc296","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-single.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-single.c"]}],"references":["https://git.kernel.org/stable/c/191bfd5710d6a7f48ba4315d8d3e908dcc15243c","https://git.kernel.org/stable/c/3e3b28bb0b6ddc521a4fdd1c1ba0d35017a0796b","https://git.kernel.org/stable/c/456a60d06c09a92680dc35fabca68024badcc28e","https://git.kernel.org/stable/c/99cc7352156c65201c675f750e0e77c4c73d93f5","https://git.kernel.org/stable/c/7814b1431848854b56717086e2b61bea3c59753d","https://git.kernel.org/stable/c/e2e367e56bacb93ce5ac73f0b3297d5c83d38dd4","https://git.kernel.org/stable/c/5b9e84d27e310f22c4ba45fedbc4f5baf43dd823","https://git.kernel.org/stable/c/353353309b0f7afa407df29e455f9d15b5acc296"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45868.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45868","state":"PUBLISHED","datePublished":"2026-05-27T12:15:48.311Z","dateUpdated":"2026-05-27T12:15:48.311Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.080Z"},"containers":{"cna":{"title":"pinctrl: single: fix refcount leak in pcs_add_gpio_func()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\npinctrl: single: fix refcount leak in pcs_add_gpio_func()\n\nof_parse_phandle_with_args() returns a device_node pointer with refcount\nincremented in gpiospec.np. The loop iterates through all phandles but\nnever releases the reference, causing a refcount leak on each iteration.\n\nAdd of_node_put() calls to release the reference after extracting the\nneeded arguments and on the error path when devm_kzalloc() fails.\n\nThis bug was detected by our static analysis tool and verified by my\ncode review."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"191bfd5710d6a7f48ba4315d8d3e908dcc15243c","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"3e3b28bb0b6ddc521a4fdd1c1ba0d35017a0796b","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"456a60d06c09a92680dc35fabca68024badcc28e","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"99cc7352156c65201c675f750e0e77c4c73d93f5","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"7814b1431848854b56717086e2b61bea3c59753d","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"e2e367e56bacb93ce5ac73f0b3297d5c83d38dd4","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"5b9e84d27e310f22c4ba45fedbc4f5baf43dd823","versionType":"git"},{"version":"a1a277eb76b3507df7c41774048a644aa4dfd096","status":"affected","lessThan":"353353309b0f7afa407df29e455f9d15b5acc296","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-single.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.10","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/pinctrl/pinctrl-single.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/191bfd5710d6a7f48ba4315d8d3e908dcc15243c"},{"url":"https://git.kernel.org/stable/c/3e3b28bb0b6ddc521a4fdd1c1ba0d35017a0796b"},{"url":"https://git.kernel.org/stable/c/456a60d06c09a92680dc35fabca68024badcc28e"},{"url":"https://git.kernel.org/stable/c/99cc7352156c65201c675f750e0e77c4c73d93f5"},{"url":"https://git.kernel.org/stable/c/7814b1431848854b56717086e2b61bea3c59753d"},{"url":"https://git.kernel.org/stable/c/e2e367e56bacb93ce5ac73f0b3297d5c83d38dd4"},{"url":"https://git.kernel.org/stable/c/5b9e84d27e310f22c4ba45fedbc4f5baf43dd823"},{"url":"https://git.kernel.org/stable/c/353353309b0f7afa407df29e455f9d15b5acc296"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:15:48.311Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}