CVE-2026-43370

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

7.8 (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:H/I:H/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

2026-05-08 14:21Z3 MO AGO

Last updated

2026-08-05 12:27Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant
• CWE-366Race Condition within a ThreadBase

Data version

5.2

Document digest

ee277865de20d649200efb7b6e2d65df92636084569e16b6a202cdbc1deea194

• git.kernel.orghttps://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447
• git.kernel.orghttps://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447
• git.kernel.orghttps://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668
• git.kernel.orghttps://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4
• git.kernel.orghttps://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249
• git.kernel.orghttps://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4
• git.kernel.orghttps://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786
• git.kernel.orghttps://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098f