CVE-2023-53626

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.4% 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 2026-10-15.

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

2025-10-07 15:19Z1 YR AGO

Last updated

2026-10-15 21:41Z13 DAYS AGO

Reserved

2025-10-07

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-415Double FreeVariant

Data version

5.2

Document digest

2036e956a7dca6ea2c98663928d8f72afe90f7786bc5eef9b8a13161defead78

• git.kernel.orghttps://git.kernel.org/stable/c/c16cbd8233d6c58fc488545393e49b5d55729990
• git.kernel.orghttps://git.kernel.org/stable/c/020166bc6669ca9fb267ebd96bd88c4fb64a5d46
• git.kernel.orghttps://git.kernel.org/stable/c/1c93c42c7bb23057bde8a0a2ab834927ff64d20c
• git.kernel.orghttps://git.kernel.org/stable/c/e71eb4dca41f0f36823724ced0406bb2dbdd5506
• git.kernel.orghttps://git.kernel.org/stable/c/43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2
• git.kernel.orghttps://git.kernel.org/stable/c/70e42feab2e20618ddd0cbfc4ab4b08628236ecd