CVE-2026-53358

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

0.21% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 11.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-22.

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

2026-07-02 13:43Z2 MO AGO

Last updated

2026-08-05 12:35Z1 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-667Improper LockingClass
• CWE-413Improper Resource LockingBase

Data version

5.2

Document digest

b4e1dc323f4b75011c54b431a26e6dd2d72dbddaac3e5b7eddaeb3bcfd06ffb2

• git.kernel.orghttps://git.kernel.org/stable/c/3634cbdc2eb414b69ffa752ddbe5e0458518e321
• git.kernel.orghttps://git.kernel.org/stable/c/e1c100e2d61bd8c718b7d91fe3e050780a9bf72d
• git.kernel.orghttps://git.kernel.org/stable/c/deb8493a8fa599f6c95e2465b12bfdfb7f94a1d9
• git.kernel.orghttps://git.kernel.org/stable/c/89dec92041717b027216e110599e4f6d6c921b79
• git.kernel.orghttps://git.kernel.org/stable/c/50dfec218808b148ab4247b1858031b7a32015c5
• git.kernel.orghttps://git.kernel.org/stable/c/859d3ace791ed878ae9ba5522c7844d960da8f88
• git.kernel.orghttps://git.kernel.org/stable/c/7555fd885a0603f50e49a655850a1f2bd8a25398
• git.kernel.orghttps://git.kernel.org/stable/c/8c8e620467a7b51562dbcefbd1f09f288d7d710d