CVE-2026-45956

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

7.8 (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:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 12:18Z3 MO AGO

Last updated

2026-08-05 12:28Z1 MO AGO

Reserved

2026-05-13

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-416Use After FreeVariant
• CWE-466Return of Pointer Value Outside of Expected RangeBase

Data version

5.2

Document digest

834a15231d262cb57421eb505082ece2e5a10c1a1dac929489bad1f95299a0e1

• git.kernel.orghttps://git.kernel.org/stable/c/2987642c5213508c6c9e718324c0d5289a92c474
• git.kernel.orghttps://git.kernel.org/stable/c/65d1213baffa363f2eb1117b1dc7acc573b890f8
• git.kernel.orghttps://git.kernel.org/stable/c/875fa28690e93ed5296c31d3344556c6bb867234
• git.kernel.orghttps://git.kernel.org/stable/c/21ca24ba51a2c28bcc4df9d7e5a40b0eb66ab76d
• git.kernel.orghttps://git.kernel.org/stable/c/b5fc86d753dd4c281a943b92f0eef02d31af03d7
• git.kernel.orghttps://git.kernel.org/stable/c/a540f767642f75240a6c35f6a65b69e44cfcea9d
• git.kernel.orghttps://git.kernel.org/stable/c/d3968a0d85b211e197f2f4f06268a7031079e0d0