CVE-2026-45949

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

0.09% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 0.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-05-27 12:18Z3 MO AGO

Last updated

2026-05-27 12:18Z3 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
• CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

f28e82bbb29542802be8d56d1c711cdf03fa9440087d8de9d1f795c7bc51de1d

• git.kernel.orghttps://git.kernel.org/stable/c/d5b7730f06994499632026c30e38e0317c4569e2
• git.kernel.orghttps://git.kernel.org/stable/c/dcf416eb88eafe1e3c0f920a14bdffd10bc4d259
• git.kernel.orghttps://git.kernel.org/stable/c/ad38f2cdfef9a2f2899c30cad269baec5bfd4a5d
• git.kernel.orghttps://git.kernel.org/stable/c/cc2f39d6ac48e6e3cb2d6240bc0d6df839dd0828