CVE-2026-43197

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-09.

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 11:28Z4 MO AGO

Last updated

2026-08-09 18:34Z26 DAYS AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-170Improper Null TerminationBase

Data version

5.2

Document digest

fe2997f235282344904207302b02ef6e8b48391e205fcd309241ecaa6bd8d867

• git.kernel.orghttps://git.kernel.org/stable/c/8fe132c4873f9eb1b86ddbf31216e9d961a0b8b9
• git.kernel.orghttps://git.kernel.org/stable/c/3126a2f98beaec5a554a1fb31c46db1e8542665e
• git.kernel.orghttps://git.kernel.org/stable/c/74ab1456eaa3b2eb986138f9e1f4cb37e73b6f58
• git.kernel.orghttps://git.kernel.org/stable/c/82aec772fca2223bc5774bd9af486fd95766e578