CVE-2026-64010

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.8% 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

Awaiting Analysis. NVD last modified this record on 2026-07-30.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-07-19 14:56Z1 MO AGO

Last updated

2026-08-05 12:38Z1 MO AGO

Reserved

2026-07-19

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-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

1e30b610e07484fdade885a3ab1b060948376cdf625335e550fa8fb435d06ac1

• git.kernel.orghttps://git.kernel.org/stable/c/dce85215a6c7b0fd753f577a4c487f647119884c
• git.kernel.orghttps://git.kernel.org/stable/c/bd08bb7443c501d2f2a71d529e4afcf11c9b07d2
• git.kernel.orghttps://git.kernel.org/stable/c/0b45c31746e1523d5d482fda8fcf54a35ac417f1
• git.kernel.orghttps://git.kernel.org/stable/c/ee2d1a8a1833c5e56e9a1745e64b0b4edda732c2
• git.kernel.orghttps://git.kernel.org/stable/c/ad8a27d63cac96bac441edd002209ebd996e12fb
• git.kernel.orghttps://git.kernel.org/stable/c/650bdd8fdfab64a09ee474150313dbc48c374795
• git.kernel.orghttps://git.kernel.org/stable/c/b2a60f7f846faaf5c2cdad4ea6d3a33e5f863183
• git.kernel.orghttps://git.kernel.org/stable/c/b493ea2765cc17cb8aa7e7544a4b6dcb05b6ed77