CVE-2026-53388

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 3.2% 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

Analyzed. NVD last modified this record on 2026-08-17.

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

2026-07-19 11:59Z1 MO AGO

Last updated

2026-08-17 04:50Z18 DAYS AGO

Reserved

2026-06-09

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

No CWE assigned

Data version

5.2

Document digest

ef7cdee89f98b0a7fbf5b65c7cf7bee9d739e237788fbd5e6a64e3743877ebbf

• git.kernel.orghttps://git.kernel.org/stable/c/7c18691e0cfda29672f79bafde8abdb7710674f6
• git.kernel.orghttps://git.kernel.org/stable/c/5927b43a4f8d89e86930f524bf63e9c7e66f61b4
• git.kernel.orghttps://git.kernel.org/stable/c/030fe3e9d8abdee303dd7e9e42f45082d382a407
• git.kernel.orghttps://git.kernel.org/stable/c/46473ddccdc5065033e397d6e62c280dbcd3d9c2
• git.kernel.orghttps://git.kernel.org/stable/c/af2892249d982a1c036ca456cc135374e68b6677
• git.kernel.orghttps://git.kernel.org/stable/c/0223f452532d9cd8a5e87c45de828fd93c99bd25
• git.kernel.orghttps://git.kernel.org/stable/c/e28db6ac4792d065ab32565fd9f0a2361c3d4666
• git.kernel.orghttps://git.kernel.org/stable/c/a078484921052d0badd827fcc2770b5cfc1d4120