7.8

RHSA-2026:39180: kernel-rt Red Hat

Published
Published 15-07-2026Last modified 29-09-2026

Vulnerability summary

RHSA-2026:39180 is a high (CVSS 7.8) vulnerability in kernel-rt Red Hat.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (OSV · Red hat), selected by version preference
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 3 · Downstream 0
CVE-2026-46086CVE-2026-46116CVE-2026-64600

Timeline

  1. 15-07-2026
    PublishedVulnerability first disclosed.
  2. 29-09-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: kernel-rt security update

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat15 products
  • kernel-rt< 0:4.18.0-553.144.1.rt7.485.el8_10
  • kernel-rt-core< 0:4.18.0-553.144.1.rt7.485.el8_10
  • kernel-rt-debug< 0:4.18.0-553.144.1.rt7.485.el8_10
  • kernel-rt-debug-core< 0:4.18.0-553.144.1.rt7.485.el8_10
  • kernel-rt-debug-debuginfo< 0:4.18.0-553.144.1.rt7.485.el8_10

1 vendor · 15 products

References

18 links
Show all 18 references