{"id":"CVE-2022-50327","state":"PUBLISHED","title":"ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: idle: Check acpi_fetch_acpi_dev() return value\n\nThe return value of acpi_fetch_acpi_dev() could be NULL, which would\ncause a NULL pointer dereference to occur in acpi_device_hid().\n\n[ rjw: Subject and changelog edits, added empty line after if () ]","publishedAt":"2025-09-15T14:49:26.711Z","updatedAt":"2026-05-11T19:17:18.629Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9","versionType":"git"},{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"fdee7a0acc566c4194d40a501b8a1584e86cc208","versionType":"git"},{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"ad1190744da9d812da55b76f2afce750afb0a3bd","versionType":"git"},{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"2ecd629c788bbfb96be058edade2e934d3763eaf","versionType":"git"},{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"b85f0e292f73f353eea915499604fbf50c8238b4","versionType":"git"},{"version":"a36a7fecfe6071732075ad5aa31196adce13181b","status":"affected","lessThan":"2437513a814b3e93bd02879740a8a06e52e2cf7d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/processor_idle.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/acpi/processor_idle.c"]}],"references":["https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9","https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208","https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd","https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf","https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4","https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50327.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50327","state":"PUBLISHED","datePublished":"2025-09-15T14:49:26.711Z","dateUpdated":"2026-05-11T19:17:18.629Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:18:36.815Z"},"containers":{"cna":{"title":"ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: idle: Check acpi_fetch_acpi_dev() return value\n\nThe return value of acpi_fetch_acpi_dev() could be NULL, which would\ncause a NULL pointer dereference to occur in acpi_device_hid().\n\n[ rjw: Subject and changelog edits, added empty line after if () 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