CVE-2026-43279

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

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.5% 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

2026-05-06 11:29Z4 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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

06979473297409c9635a5d53410c3f3001a34349eacf9a123cf3ac8bece602cd

• git.kernel.orghttps://git.kernel.org/stable/c/fa01973bb79d70c4736b6a4b2de99fbb2cbc8d1f
• git.kernel.orghttps://git.kernel.org/stable/c/780dc57794a217b49994fa1d0b42465fb10a00aa
• git.kernel.orghttps://git.kernel.org/stable/c/8995fc0e00b3fee9bf7ecb3d836b635b730c1049
• git.kernel.orghttps://git.kernel.org/stable/c/fc9e5af60dc199051dc202ae78e1fe76a9977a5e
• git.kernel.orghttps://git.kernel.org/stable/c/6af16f1b8649df4c00d6ced924bdd8b72c885b6a
• git.kernel.orghttps://git.kernel.org/stable/c/ccaf9296763be4f76b59e2cac377006016c34435
• git.kernel.orghttps://git.kernel.org/stable/c/fba2105a157fffcf19825e4eea498346738c9948