CVE-2026-31407

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 6.6% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-24.

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

2026-04-06 07:38Z5 MO AGO

Last updated

2026-08-05 12:22Z1 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

816b40682441f1b0f93f7c6aaa819feb98b4db29bb705289d928baa4879f6747

• git.kernel.orghttps://git.kernel.org/stable/c/e7b5766693477c52424cc6c79dd30a7a9c7db52c
• git.kernel.orghttps://git.kernel.org/stable/c/78bba9f73942aa7dca47d817d8cec0fb9b443b70
• git.kernel.orghttps://git.kernel.org/stable/c/be88a337bf07afb1ee173f1099294d1b7ab3fefe
• git.kernel.orghttps://git.kernel.org/stable/c/c5e918390002edf0cff80a0e7ce1f86f16a9507c
• git.kernel.orghttps://git.kernel.org/stable/c/9174d28f3f15d8c4962f5980c0be167633880443
• git.kernel.orghttps://git.kernel.org/stable/c/67c53c1978cef3c504237275e39c857e2f6af56e
• git.kernel.orghttps://git.kernel.org/stable/c/0fbae1e74493d5a160a70c51aeba035d8266ea7d
• git.kernel.orghttps://git.kernel.org/stable/c/f900e1d77ee0ef87bfb5ab3fe60f0b3d8ad5ba05