{"id":"CVE-2022-49682","state":"PUBLISHED","title":"xtensa: Fix refcount leak bug in time.c","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxtensa: Fix refcount leak bug in time.c\n\nIn calibrate_ccount(), of_find_compatible_node() will return a node\npointer with refcount incremented. We should use of_node_put() when\nit is not used anymore.","publishedAt":"2025-02-26T02:24:10.703Z","updatedAt":"2026-05-11T19:04:39.413Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"3e5eb904d9ba657308fc75a5de434b0e58dcb8d7","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"7de4502af68f4f3932f450157f5483eb7b33cb74","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"f1eaf4ba5372ad111f687a80c67e270708e14c23","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"e5234a9d64a976abd134a14710dcd5188158a7c5","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"af0ff2da01521144bc11194f4c26485d7c9cee73","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"0dcc1dd8a5dd9240639f1051dfaa2dffc9fbbde5","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"0e403a383c14b63c86bd9df085b7e573e9caee64","versionType":"git"},{"version":"205ad548a7426fb6813760cd9917d3fc24122576","status":"affected","lessThan":"a0117dc956429f2ede17b323046e1968d1849150","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/xtensa/kernel/time.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.9.321","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.286","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.250","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.202","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.127","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.51","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.8","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/xtensa/kernel/time.c"]}],"references":["https://git.kernel.org/stable/c/3e5eb904d9ba657308fc75a5de434b0e58dcb8d7","https://git.kernel.org/stable/c/7de4502af68f4f3932f450157f5483eb7b33cb74","https://git.kernel.org/stable/c/f1eaf4ba5372ad111f687a80c67e270708e14c23","https://git.kernel.org/stable/c/e5234a9d64a976abd134a14710dcd5188158a7c5","https://git.kernel.org/stable/c/af0ff2da01521144bc11194f4c26485d7c9cee73","https://git.kernel.org/stable/c/0dcc1dd8a5dd9240639f1051dfaa2dffc9fbbde5","https://git.kernel.org/stable/c/0e403a383c14b63c86bd9df085b7e573e9caee64","https://git.kernel.org/stable/c/a0117dc956429f2ede17b323046e1968d1849150"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49682.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49682","state":"PUBLISHED","datePublished":"2025-02-26T02:24:10.703Z","dateUpdated":"2026-05-11T19:04:39.413Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.440Z"},"containers":{"cna":{"title":"xtensa: Fix refcount leak bug in time.c","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxtensa: Fix refcount leak bug in time.c\n\nIn calibrate_ccount(), of_find_compatible_node() will return a node\npointer with refcount incremented. We should use of_node_put() when\nit is not used 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