CVE-2026-45898

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

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.2% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-07-15.

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

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

b7b1bd3e05f85b1bc6046bf8fe8703b0c7580ceb5f2b38720ec1cdfe55e20cf6

• git.kernel.orghttps://git.kernel.org/stable/c/38c5b49fffa1b760959af74f11806eeb3ef4706d
• git.kernel.orghttps://git.kernel.org/stable/c/eb715133e0ae12514bba4d2d5ce1dee774476056
• git.kernel.orghttps://git.kernel.org/stable/c/a6b9e793e74e372daa266fd0d58b751305877897
• git.kernel.orghttps://git.kernel.org/stable/c/7874eeacfa42177565c01d5198726671acf7adf2
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-45898vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2482031https://bugzilla.redhat.com/show_bug.cgi?id=2482031issue-trackingx_refsource_REDHAT
• security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45898.jsonx_sadp-csaf-vex
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:27731vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:30129vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:27708vendor-advisoryx_refsource_REDHAT
• access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:30848vendor-advisoryx_refsource_REDHAT