CVE-2026-43071

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

0.39% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 32.0% 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 2026-07-29.

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

2026-05-05 15:29Z4 MO AGO

Last updated

2026-08-05 12:25Z1 MO 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-823Use of Out-of-range Pointer OffsetBase

Data version

5.2

Document digest

4e334088806c892c155ac337f05c925d7dd8e69d9c6dc6cbcd942e5260df31d6

• git.kernel.orghttps://git.kernel.org/stable/c/45b06bb5ea96f75ad81d7ef446f832ea6b0026fe
• git.kernel.orghttps://git.kernel.org/stable/c/426ef05e82ee52c8d0e95fc0808b7383d8352d73
• git.kernel.orghttps://git.kernel.org/stable/c/ddd57ebce245f9c7e2f6902a6c087d6186d2385d
• git.kernel.orghttps://git.kernel.org/stable/c/755b40903eff563768d4d96fd4ef51ec48adde3b
• git.kernel.orghttps://git.kernel.org/stable/c/5718df131ab78897a9dd1f2e71c3ba732d4392af
• git.kernel.orghttps://git.kernel.org/stable/c/277cedabb0ab86baae83fa58218be13c6d3e5526
• git.kernel.orghttps://git.kernel.org/stable/c/f08fe8891c3eeb63b73f9f1f6d97aa629c821579