CVE-2026-45989

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 6.0% 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 12:55Z3 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-416Use After FreeVariant
• CWE-911Improper Update of Reference CountBase

Data version

5.2

Document digest

8dd0797ca2bcfcbb4bdae7bf03c2ebbd42c6f259d081ddd03576b4cb36e7750a

• git.kernel.orghttps://git.kernel.org/stable/c/0ba03e06f037df704d9b032e36d417633e2326bc
• git.kernel.orghttps://git.kernel.org/stable/c/d68347b07b9801791c9eaab8f772770b52b8cd5c
• git.kernel.orghttps://git.kernel.org/stable/c/5b6122a67a295f8a08b7c18d908a1bd974dfaec8
• git.kernel.orghttps://git.kernel.org/stable/c/6b2023286d2c6ed3bf964fb92e34c9c14d42eb69
• git.kernel.orghttps://git.kernel.org/stable/c/07fd339b2c253205794bea5d9b4b7548a4546c56