What is RHSA-2026:45116?

RHSA-2026:45116 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel-rt security update

Which CVE IDs does RHSA-2026:45116 cover?

RHSA-2026:45116 covers the following CVE IDs: CVE-2025-40026, CVE-2026-52993, CVE-2026-53059. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:45116?

RHSA-2026:45116 has a CVSS v3 base score of 7.0, published by Red Hat Product Security.

RHSA-2026:45116HighCVSS 7.0

Red Hat Security Advisory: kernel-rt security update

Vendor

Red Hat Product Security

Published

July 24, 2026

Last Modified

July 24, 2026

🔗 CVE IDs covered (3)

CVE-2025-40026 →CVE-2026-52993 →CVE-2026-53059 →

📋 Description

CVE-2025-40026 — kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O CVE-2026-52993 — kernel: tipc: fix double-free in tipc_buf_append() CVE-2026-53059 — kernel: dm log: fix out-of-bounds write due to region_count overflow

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:45116
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2406712
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2492277
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2492437
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_45116.json