CVE-2023-53239

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.3% 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 2026-06-17.

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

2025-09-15 14:22Z11 MO AGO

Last updated

2026-05-11 19:40Z3 MO AGO

Reserved

2025-09-15

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

5cd82e6a9138f3f21cd722ce825d72d93d38916b54d56775c590ae9739c53d98

• git.kernel.orghttps://git.kernel.org/stable/c/3975ea6eaffe26aec634b5c473e51dc76e73af62
• git.kernel.orghttps://git.kernel.org/stable/c/49907c8873826ee771ba0ca1629e809c6479f617
• git.kernel.orghttps://git.kernel.org/stable/c/82943a0730e00c14b03e25a4b2a1a9477ae89d7b
• git.kernel.orghttps://git.kernel.org/stable/c/bc579a2ee8b2e20c152b24b437d094832d8c9c9e
• git.kernel.orghttps://git.kernel.org/stable/c/37ff771ed008b9cbffd0eab77985968364694ce3
• git.kernel.orghttps://git.kernel.org/stable/c/13fcfcb2a9a4787fe4e49841d728f6f2e9fa6911