CVE-2026-52990

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 2.7% 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 2026-07-14.

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

2026-06-24 16:29Z2 MO AGO

Last updated

2026-06-24 16:29Z2 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-911Improper Update of Reference CountBase

Data version

5.2

Document digest

378393d11d214107ae472fc4aa6592c1040f71d17107607ab4b8d718242dea58

• git.kernel.orghttps://git.kernel.org/stable/c/8c8afa6444e6bdc145d2bf2f3aeeca6da3e36b42
• git.kernel.orghttps://git.kernel.org/stable/c/b740cc86816bbc87902ae9db74cd21abde3c8d63
• git.kernel.orghttps://git.kernel.org/stable/c/5c80289503da3658e3df80280598c68d181eadbd
• git.kernel.orghttps://git.kernel.org/stable/c/4aca914ac152f5d055ddcb36704d1e539ac08977