CVE-2026-53049

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 31.7% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-21.

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

2026-08-05 12:32Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-667Improper LockingClass
• CWE-414Missing Lock CheckBase

Data version

5.2

Document digest

30a6e384bddef317d40e563898c5e7c165b6a6371eee148c043253f55cd5a5c9

• git.kernel.orghttps://git.kernel.org/stable/c/3b28eb75afe520972bacc833850c2b30aa0824cd
• git.kernel.orghttps://git.kernel.org/stable/c/ca95342cb1b39062a03c115830286f0a426053d5
• git.kernel.orghttps://git.kernel.org/stable/c/bf5fcd9c37c2546beaf7b401d31aefd89017dc3d
• git.kernel.orghttps://git.kernel.org/stable/c/f2f225cf505ac016132ded21690f3ba0a080a4e8
• git.kernel.orghttps://git.kernel.org/stable/c/49d9be0722da3a4a893ba905720cba1921834ec3
• git.kernel.orghttps://git.kernel.org/stable/c/98e8bf249c790d56de1abc4a5f8bd68035a00921
• git.kernel.orghttps://git.kernel.org/stable/c/fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8