CVE-2026-43166

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 3.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

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

2026-05-06 11:27Z4 MO AGO

Last updated

2026-08-05 12:26Z1 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-1284Improper Validation of Specified Quantity in InputBase

Data version

5.2

Document digest

6be83d4ad576b0ffbb250203a4dbe24fc44b47639bdef287aac6dfba6f9d14d2

• git.kernel.orghttps://git.kernel.org/stable/c/9d5a97bc71ed5783687705c708454c4453aa91d1
• git.kernel.orghttps://git.kernel.org/stable/c/d3790f26d38606f020212486359b84632c19d08b
• git.kernel.orghttps://git.kernel.org/stable/c/4a2d046e4b13202a6301a993961f5b30ae4d7119