CVE-2022-50327
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would cause a NULL pointer dereference to occur in acpi_device_hid(). [ rjw: Subject and changelog edits, added empty line after if () ]
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.16%• Percentile: 5%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.244-1 | < 6.1.4-1 | < 6.1.4-1 | < 6.1.4-1
- ubuntu•linux
all | < 5.15.0-163.173
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 5.15.0-1097.104
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1097.104~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
all | < 5.15.0-1097.104+fips1
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | < 5.15.0-1101.110
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1102.111~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all | < 5.15.0-1101.110+fips1
- ubuntu•linux-bluefield
all | all | < 5.15.0-1081.83
- ubuntu•linux-fips
all | < 5.15.0-163.173+fips1
- ubuntu•linux-gcp
all | all | < 5.15.0-1097.106
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1097.106~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
all | < 5.15.0-1097.106+fips1
- ubuntu•linux-gke
all | < 5.15.0-1093.99
Showing first 50 affected entries in server-rendered view.
References (20)
- 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
- https://ubuntu.com/security/CVE-2022-50327
- https://www.cve.org/CVERecord?id=CVE-2022-50327
- https://git.kernel.org/linus/2437513a814b3e93bd02879740a8a06e52e2cf7d
- https://ubuntu.com/security/notices/USN-7909-1
- https://ubuntu.com/security/notices/USN-7909-2
- https://ubuntu.com/security/notices/USN-7909-3
- https://ubuntu.com/security/notices/USN-7910-1
- https://ubuntu.com/security/notices/USN-7909-4
- https://ubuntu.com/security/notices/USN-7910-2
- https://ubuntu.com/security/notices/USN-7933-1
- https://ubuntu.com/security/notices/USN-7909-5
- https://ubuntu.com/security/notices/USN-7938-1
- https://security-tracker.debian.org/tracker/CVE-2022-50327