CVE-2026-46155

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 39.1% 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 2026-06-17.

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

2026-05-28 09:36Z3 MO AGO

Last updated

2026-08-05 12:30Z1 MO AGO

Reserved

2026-05-13

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-130Improper Handling of Length Parameter InconsistencyBase

Data version

5.2

Document digest

2112f56ce1850cc18ad6626e47b33d0bba08efe601d4f2d3c1949a7342a06828

• git.kernel.orghttps://git.kernel.org/stable/c/dffb44b2e06a2908e249f0f93156fc987eee1d1c
• git.kernel.orghttps://git.kernel.org/stable/c/9b3af35645ff9cd334edc130249f9a2fb2bea25f
• git.kernel.orghttps://git.kernel.org/stable/c/512d33bc8ea4ea5c19728ee118715f4b1f4d1926
• git.kernel.orghttps://git.kernel.org/stable/c/a16f70a71be4b5a4eccf39a9bf09b47285f4cb7c
• git.kernel.orghttps://git.kernel.org/stable/c/8d09328dfda089675e4c049f3f256064a1d1996b