CVE-2023-52440

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

21.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.4% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-15.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2024-02-21 07:21Z2 YR AGO

Last updated

2026-08-15 12:23Z20 DAYS AGO

Reserved

2024-02-20

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

No CWE assigned

Data version

5.2

Document digest

80d7d17357aec98f4e2d94a10819547acb50e7da1b29d17743c76b705574a091

• git.kernel.orghttps://git.kernel.org/stable/c/bd554ed4fdc3d38404a1c43d428432577573e809
• git.kernel.orghttps://git.kernel.org/stable/c/30fd6521b2fbd9b767e438e31945e5ea3e3a2fba
• git.kernel.orghttps://git.kernel.org/stable/c/7f1d6cb0eb6af3a8088dc24b7ddee9a9711538c4
• git.kernel.orghttps://git.kernel.org/stable/c/ecd7e1c562cb08e41957fcd4b0e404de5ab38e20
• git.kernel.orghttps://git.kernel.org/stable/c/4b081ce0d830b684fdf967abc3696d1261387254