CVE-2022-49159

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 25.2% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-13.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-02-26 01:55Z1 YR AGO

Last updated

2026-08-12 23:58Z22 DAYS AGO

Reserved

2025-02-26

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-476NULL Pointer DereferenceBase
• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

52fa784ad862101f30b8bc7de0308b6a9e36a3d309d45a4efe5ec9eb34be49b7

• git.kernel.orghttps://git.kernel.org/stable/c/e17111dd2fda81c35f309b1e5b6ab35809a375e7
• git.kernel.orghttps://git.kernel.org/stable/c/e140723f78ff418c8df7d990e102e07b65c87d4a
• git.kernel.orghttps://git.kernel.org/stable/c/ceda7f794f3dfe272491e93e3e93049f8be5f07b
• git.kernel.orghttps://git.kernel.org/stable/c/31e6cdbe0eae37badceb5e0d4f06cf051432fd77