CVE-2023-53321

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.6% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

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

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

2025-09-16 16:11Z11 MO AGO

Last updated

2026-08-05 09:13Z1 MO AGO

Reserved

2025-09-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-1220Insufficient Granularity of Access ControlBase

Data version

5.2

Document digest

7df7d8f47991535068754f554ba2f44ac0ddd07eb42fc25fe238d0533838851c

• git.kernel.orghttps://git.kernel.org/stable/c/3beb97bed860d95b14ad23578ce8ddaea62023db
• git.kernel.orghttps://git.kernel.org/stable/c/672205c6f2d11978fcd7f0f336bb2c708e28874b
• git.kernel.orghttps://git.kernel.org/stable/c/c64ee9dd335832d5e2ab0a8fc83a34ad4c729799
• git.kernel.orghttps://git.kernel.org/stable/c/b9a175e3b250b0dc6e152988040aa5014e98e61e
• git.kernel.orghttps://git.kernel.org/stable/c/89a41ed7f21476301659ebd25ccb48a60791c1a7
• git.kernel.orghttps://git.kernel.org/stable/c/fba360a047d5eeeb9d4b7c3a9b1c8308980ce9a6