CVE-2026-52921

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

0.11% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 1.7% 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

Analyzed. NVD last modified this record on 2026-07-08.

Red Hat severity

Low. 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

2026-06-24 07:14Z2 MO AGO

Last updated

2026-06-24 07:14Z2 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')Base
• CWE-193Off-by-one ErrorBase

Data version

5.2

Document digest

64972a89b3b56ed4a3b37e96990672a781e09dd3f74e32f016853f384863d142

• git.kernel.orghttps://git.kernel.org/stable/c/be75218fadea22e59c8673db212f29c681bf45bb
• git.kernel.orghttps://git.kernel.org/stable/c/383418c20e69f5761b6ec5238f599423f4fb77fb
• git.kernel.orghttps://git.kernel.org/stable/c/0d7b33ace701fe397e6e4de145f32e098178d901
• git.kernel.orghttps://git.kernel.org/stable/c/c281e018af98df91827d65bec00f4956c00a1b02
• git.kernel.orghttps://git.kernel.org/stable/c/02f75f041a93ea045834da89cd3234f4c1d749b4
• git.kernel.orghttps://git.kernel.org/stable/c/952e988163c2ab9939c3db9f0f8e77af6a1bb436
• git.kernel.orghttps://git.kernel.org/stable/c/0b530efb2cc9dbdddfd49d392e3a857f0d4ce8dc
• git.kernel.orghttps://git.kernel.org/stable/c/0d3a282ab5f165fc207ff49ea5b6ad8f54616bd6