CVE-2023-52922

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 ImpacttotalSuccessful exploitation gives total 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

0.29% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 21.0% 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 2026-06-17.

Red Hat severity

Important. 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

2024-11-28 15:09Z1 YR AGO

Last updated

2026-08-05 09:12Z1 MO AGO

Reserved

2024-08-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

6b573eb91026d4ec9ac8730dd0b8f905497d7639f3a3784761822ca00cff2977

• git.kernel.orghttps://git.kernel.org/stable/c/11b8e27ed448baa385d90154a141466bd5e92f18
• git.kernel.orghttps://git.kernel.org/stable/c/9b58d36d0c1ea29a9571e0222a9c29df0ccfb7ff
• git.kernel.orghttps://git.kernel.org/stable/c/9533dbfac0ff7edd77a5fa2c24974b1d66c8b0a6
• git.kernel.orghttps://git.kernel.org/stable/c/cf254b4f68e480e73dab055014e002b77aed30ed
• git.kernel.orghttps://git.kernel.org/stable/c/3c3941bb1eb53abe7d640ffee5c4d6b559829ab3
• git.kernel.orghttps://git.kernel.org/stable/c/995f47d76647708ec26c6e388663ad4f3f264787
• git.kernel.orghttps://git.kernel.org/stable/c/dfd0aa26e9a07f2ce546ccf8304ead6a2914e8a7
• git.kernel.orghttps://git.kernel.org/stable/c/55c3b96074f3f9b0aee19bf93cd71af7516582bb
• allelesecurity.comhttps://allelesecurity.com/use-after-free-vulnerability-in-can-bcm-subsystem-leading-to-information-disclosure-cve-2023-52922/