CVE-2026-43171

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 2.4% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/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

2026-05-06 11:27Z4 MO AGO

Last updated

2026-05-11 22:19Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.2

Document digest

1fcd703aa76125896b0c20a1b1fb37099a79c07859e6cc2695d4bd4822560699

• git.kernel.orghttps://git.kernel.org/stable/c/02de64ab54b4bb0f1b21bb324aeff3b08612be33
• git.kernel.orghttps://git.kernel.org/stable/c/0e09b522f2622841389c3b2f9ac4969e35c0809d
• git.kernel.orghttps://git.kernel.org/stable/c/64ae5aaa7ac93c83da456039e8ec747bfa8a7cff
• git.kernel.orghttps://git.kernel.org/stable/c/5a9b1dda8481b82851a655c3bcc5b44879b95334
• git.kernel.orghttps://git.kernel.org/stable/c/7780c0bad2a3a70a8c0113a33c02f4151d901eb3
• git.kernel.orghttps://git.kernel.org/stable/c/a8419f5f2c5f2d80848ddabb2b95cf0da84a5f91
• git.kernel.orghttps://git.kernel.org/stable/c/54e131db4cdffd946db890ff33ff2647053fd4f6
• git.kernel.orghttps://git.kernel.org/stable/c/55cc6fe5716f678f06bcb95140882dfa684464ec