What is RHSA-2026:35840?

RHSA-2026:35840 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Which CVE IDs does RHSA-2026:35840 cover?

RHSA-2026:35840 covers the following CVE IDs: CVE-2026-53362, CVE-2026-53366. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:35840?

RHSA-2026:35840 has a CVSS v3 base score of 7.8, published by Red Hat Product Security.

RHSA-2026:35840HighCVSS 7.8

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Vendor

Red Hat Product Security

Published

July 6, 2026

Last Modified

July 22, 2026

🔗 CVE IDs covered (2)

CVE-2026-53362 →CVE-2026-53366 →

📋 Description

CVE-2026-53362 — kernel: kernel: ipv6 frag escape CVE-2026-53366 — kernel: ipv4: account for fraggap on the paged allocation path

🔗 References (4)

selfhttps://access.redhat.com/errata/RHSA-2026:35840
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2495904
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_35840.json