CVE-2026-43261

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 2.9% 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 11:28Z4 MO AGO

Last updated

2026-05-23 16:06Z3 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-515Covert Storage ChannelBase

Data version

5.2

Document digest

0d00eebf0346b3f857b5a4f07a457fafa176b8ba9bda158db81ce4b976d8661d

• git.kernel.orghttps://git.kernel.org/stable/c/598c11dd4f4a9de31d854fcb9702f54c1c70f0d0
• git.kernel.orghttps://git.kernel.org/stable/c/a8d0ad5d990b050a6db74218a34b5529085e16b8
• git.kernel.orghttps://git.kernel.org/stable/c/cccf96c49f61e47d9332d6a4d1c7fe9a2df44440
• git.kernel.orghttps://git.kernel.org/stable/c/fd7e360845d331f542854d552469544182e61134
• git.kernel.orghttps://git.kernel.org/stable/c/5dbe1f14359735fa50ba0dd4a496125b5bc7f422
• git.kernel.orghttps://git.kernel.org/stable/c/fd51d47fcacec3ca027eb65d8c44853d3b6cea95
• git.kernel.orghttps://git.kernel.org/stable/c/ad0c356cae164ed5dbd1f4cfd438e46faa5292cb
• git.kernel.orghttps://git.kernel.org/stable/c/e3baa5d4b361276efeb87b20d8beced451a7dbd5