CVE-2026-45909

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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.8% 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

Undergoing Analysis. NVD last modified this record on 2026-06-24.

Red Hat severity

Important. 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 12:17Z3 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-824Access of Uninitialized PointerBase

Data version

5.2

Document digest

63f8cdf9c3cd91d980cdcc8b13907c923dcb9780098b0c2caf863cae2d7ae8fd

• git.kernel.orghttps://git.kernel.org/stable/c/1debd9ba7eb18af8fb63dc93517c6bbcab0e31ee
• git.kernel.orghttps://git.kernel.org/stable/c/866d8ecc4e789f7d73d6cafd1b122d1b6032b3b1
• git.kernel.orghttps://git.kernel.org/stable/c/871afb43e41ad4e8246438de495a939cd0f8113c