CVE-2026-45840

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 3.0% 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 2026-06-26.

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

2026-05-27 09:24Z3 MO AGO

Last updated

2026-06-14 17:46Z2 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-131Incorrect Calculation of Buffer SizeBase

Data version

5.2

Document digest

75bbc427fcfcfb9255ce92e3fa4beb77ae0270f98294a569d2d21ff1c41e4900

• git.kernel.orghttps://git.kernel.org/stable/c/8d59b80e69dddb665eb2de36e62859ab2073470e
• git.kernel.orghttps://git.kernel.org/stable/c/d9e47e29aacb9f8a9d59feb6ab5b128a9bbb40b0
• git.kernel.orghttps://git.kernel.org/stable/c/b39f763d720d623218bc1d95ace6855d7b474e81
• git.kernel.orghttps://git.kernel.org/stable/c/f9ef3db77a383d66847fd082c2b437d8ae4d9c63
• git.kernel.orghttps://git.kernel.org/stable/c/f99ac36b5d7c719d08a69fcdecce40f78a874e15
• git.kernel.orghttps://git.kernel.org/stable/c/fa6e90bc443bed8dc0d55bc5ea5b27ffdfe37704
• git.kernel.orghttps://git.kernel.org/stable/c/1d6c02b86329883aa467a3a61f8d34369db73a2f
• git.kernel.orghttps://git.kernel.org/stable/c/2091c6aa0df6aba47deb5c8ab232b1cb60af3519