CVE-2026-46043

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

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 41.8% 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

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

2026-05-27 12:56Z3 MO AGO

Last updated

2026-08-05 12:29Z1 MO AGO

Reserved

2026-05-13

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-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.2

Document digest

1e7f197ab8bc823f17e943e053c2eaf9bfacb7052fc88496c94dbd9dca65efa2

• git.kernel.orghttps://git.kernel.org/stable/c/c4376c672c3648d5bdc31dfffc329d07164f93c4
• git.kernel.orghttps://git.kernel.org/stable/c/5fedefec757192dcaad29a664ac332c7601be144
• git.kernel.orghttps://git.kernel.org/stable/c/2c0d71ef12f46c57d37bc571f3f2797db7eb50cc
• git.kernel.orghttps://git.kernel.org/stable/c/2fd4f8b749309a61c3f3f88ee8891d94f79e1240
• git.kernel.orghttps://git.kernel.org/stable/c/f83519a4c122c9c7a850a2197648a9ff4c67c520
• git.kernel.orghttps://git.kernel.org/stable/c/9b924f3a26b21330a837cfe72e819b6393bbeeaa
• git.kernel.orghttps://git.kernel.org/stable/c/e8ee0e792d475b1067c199ef0af1b6221fa6f43d
• git.kernel.orghttps://git.kernel.org/stable/c/7244491dab347f648e661da96dc0febadd9daec3