CVE-2026-31778

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.7% 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

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

2026-05-01 14:15Z4 MO AGO

Last updated

2026-05-11 22:15Z3 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.2

Document digest

3244bf249be89cf302ded5c88d5b12399d6bddb2e4599d480e4737739cf9c647

• git.kernel.orghttps://git.kernel.org/stable/c/02d9c5b0b5553a391448b6d655262bd829f90234
• git.kernel.orghttps://git.kernel.org/stable/c/3f7f8bae0d52cbd07ab04b76b6aac89ef98ee9f6
• git.kernel.orghttps://git.kernel.org/stable/c/66194c2575a4f567577ae70b1d7561163ce791a6
• git.kernel.orghttps://git.kernel.org/stable/c/a82c1bce2d1299dd3c686a8fe48cf75b79a403c7
• git.kernel.orghttps://git.kernel.org/stable/c/3178b62e2e31bab39f63d4c8e54bf4ee0a425627
• git.kernel.orghttps://git.kernel.org/stable/c/3afa2e67f3523a980a2f90fd63c22322ac2b9ce0
• git.kernel.orghttps://git.kernel.org/stable/c/7594a6464873d90fd229e5b94cdd3b92c9feabed
• git.kernel.orghttps://git.kernel.org/stable/c/45424e871abf2a152e247a9cff78359f18dd95c0