CVE-2023-52991

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.4% 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 2026-08-04.

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

2025-03-27 16:43Z1 YR AGO

Last updated

2026-08-05 09:12Z1 MO AGO

Reserved

2025-03-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

f44c3d9ad6c4e883f18d6c290b3ea49fa47f9bed41267a894c12b155fd8cc76e

• git.kernel.orghttps://git.kernel.org/stable/c/6446369fb9f083ce032448c5047da08e298b22e6
• git.kernel.orghttps://git.kernel.org/stable/c/046de74f9af92ae9ffce75fa22a1795223f4fb54
• git.kernel.orghttps://git.kernel.org/stable/c/888dad6f3e85e3b2f8389bd6478f181efc72534d
• git.kernel.orghttps://git.kernel.org/stable/c/876e8ca8366735a604bac86ff7e2732fc9d85d2d