{"id":"CVE-2022-50327","title":"ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value","summary":"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 t…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9","Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < fdee7a0acc566c4194d40a501b8a1584e86cc208","Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < ad1190744da9d812da55b76f2afce750afb0a3bd","Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 2ecd629c788bbfb96be058edade2e934d3763eaf","Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < b85f0e292f73f353eea915499604fbf50c8238b4","Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 2437513a814b3e93bd02879740a8a06e52e2cf7d","Linux 4.8"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:10:02.354956Z"},"published":"2025-09-15","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:10:35.508Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50327","references":[{"url":"https://git.kernel.org/stable/c/8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9"},{"url":"https://git.kernel.org/stable/c/fdee7a0acc566c4194d40a501b8a1584e86cc208"},{"url":"https://git.kernel.org/stable/c/ad1190744da9d812da55b76f2afce750afb0a3bd"},{"url":"https://git.kernel.org/stable/c/2ecd629c788bbfb96be058edade2e934d3763eaf"},{"url":"https://git.kernel.org/stable/c/b85f0e292f73f353eea915499604fbf50c8238b4"},{"url":"https://git.kernel.org/stable/c/2437513a814b3e93bd02879740a8a06e52e2cf7d"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05161,"ingestedAt":"2026-11-05T22:38:31.727Z","slug":"CVE-2022-50327","body":"## Overview\n\nIn 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 () ]\n\n## Affected\n\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 8e8b5f12ee4ab6f5d252c9ca062a4ada9554e6d9`\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < fdee7a0acc566c4194d40a501b8a1584e86cc208`\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < ad1190744da9d812da55b76f2afce750afb0a3bd`\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 2ecd629c788bbfb96be058edade2e934d3763eaf`\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < b85f0e292f73f353eea915499604fbf50c8238b4`\n- `Linux >= a36a7fecfe6071732075ad5aa31196adce13181b < 2437513a814b3e93bd02879740a8a06e52e2cf7d`\n- `Linux 4.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}