CVE-2023-53986

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 35.2% of scored records. A rank, not a probability.

NVD base score

8.6 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-08-04.

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

2025-12-24 10:55Z8 MO AGO

Last updated

2026-08-05 09:16Z1 MO AGO

Reserved

2025-12-24

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

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

Weaknesses

• CWE-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

f9b2134859e78467be3ed22cc70fa383f8e9e7dc1b4e92b1aea525549ef5a527

• git.kernel.orghttps://git.kernel.org/stable/c/d65de5ee8b72868fbbbd39ca73017d0e526fa13a
• git.kernel.orghttps://git.kernel.org/stable/c/47a449ec09b4479b89dcc6b27ec3829fc82ffafb
• git.kernel.orghttps://git.kernel.org/stable/c/65b723644294f1d79770704162c0e8d1f700b6f1
• git.kernel.orghttps://git.kernel.org/stable/c/2cdbcff99f15db86a10672fb220379a1ae46ccae
• git.kernel.orghttps://git.kernel.org/stable/c/288c96aa5b5526cd4a946e84ef85e165857693b5
• git.kernel.orghttps://git.kernel.org/stable/c/ab327f8acdf8d06601fbf058859a539a9422afff