CVE-2026-31738

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

2026-05-01 14:14Z4 MO AGO

Last updated

2026-05-23 16:05Z3 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-1284Improper Validation of Specified Quantity in InputBase

Data version

5.2

Document digest

989103892950e06baaf45572e53121750eca142acb47e94c56e188c9140de859

• git.kernel.orghttps://git.kernel.org/stable/c/901c1dd3bab2955d7e664f914c374c8c3ac2b958
• git.kernel.orghttps://git.kernel.org/stable/c/e476745917a1e288eb15e7ff49d286a86a4861d3
• git.kernel.orghttps://git.kernel.org/stable/c/2029712fb2c87e9a8c75094906f2ee29bf08c500
• git.kernel.orghttps://git.kernel.org/stable/c/602596c69a70e50d9ab8c6ae0290a01f88229dd7
• git.kernel.orghttps://git.kernel.org/stable/c/de20d2e3b9179d132f5f5b44e490d7c916c6321b
• git.kernel.orghttps://git.kernel.org/stable/c/eddfce70a6f3107d1679b0c2fcbeb96b593bd679
• git.kernel.orghttps://git.kernel.org/stable/c/b69c4236255bd8de16cd876e58c6f0867d1d78b1
• git.kernel.orghttps://git.kernel.org/stable/c/afa9a05e6c4971bd5586f1b304e14d61fb3d9385