CVE-2023-52840

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 15.5% 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

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. 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

2024-05-21 15:31Z2 YR AGO

Last updated

2026-05-11 19:34Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

d40f231340ba7fb7ece0b6f04e0d839d3083fe9bdc147e4de3518c616c5a07c9

• git.kernel.orghttps://git.kernel.org/stable/c/2f236d8638f5b43e0c72919a6a27fe286c32053f
• git.kernel.orghttps://git.kernel.org/stable/c/50d12253666195a14c6cd2b81c376e2dbeedbdff
• git.kernel.orghttps://git.kernel.org/stable/c/6c71e065befb2fae8f1461559b940c04e1071bd5
• git.kernel.orghttps://git.kernel.org/stable/c/303766bb92c5c225cf40f9bbbe7e29749406e2f2
• git.kernel.orghttps://git.kernel.org/stable/c/7082b1fb5321037bc11ba1cf2d7ed23c6b2b521f
• git.kernel.orghttps://git.kernel.org/stable/c/cc56c4d17721dcb10ad4e9c9266e449be1462683
• git.kernel.orghttps://git.kernel.org/stable/c/c8e639f5743cf4b01f8c65e0df075fe4d782b585
• git.kernel.orghttps://git.kernel.org/stable/c/eb988e46da2e4eae89f5337e047ce372fe33d5b1