RHSA-2026:57252

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

Published Aug 20, 2026 · corrected/updated Oct 15, 2026 · evidence confidence medium

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

RHSA-2026:57252 is a high public vulnerability record for this product. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether this product is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: kernel-64k-debug-debuginfo (0 → 0:5.14.0-687.41.1.el9_8); kernel-64k-debug-devel (0 → 0:5.14.0-687.41.1.el9_8); kernel-64k-debug-devel-matched (0 → 0:5.14.0-687.41.1.el9_8); kernel-64k-debuginfo (0 → 0:5.14.0-687.41.1.el9_8). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 8.8. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: osv. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

Exploitation evidence
Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

Aug 20, 2026 · OSV.dev
Detected
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-debuginfo fixed in 0:5.14.0-687.41.1.el9_8; kernel-64k-debug-devel fixed in 0:5.14.0-687.41.1.el9_8; kernel-64k-debug-devel-matched fixed in 0:5.14.0-687.41.1.el9_8; kernel-64k-debuginfo fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-debuginfo fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-devel fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debug-devel-matched fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-debuginfo fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-devel fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-64k-devel-matched fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debug-debuginfo fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debug-devel fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debug-devel-matched fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debuginfo fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debuginfo-common-aarch64 fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Fix available
kernel-debuginfo-common-ppc64le fixed in 0:5.14.0-687.41.1.el9_8
Oct 15, 2026 · OSV.dev
Updated
Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Affected

Red Hat:enterprise_linux:9::appstream kernel-64k-debug-debuginfo0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-64k-debug-devel0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-64k-debug-devel-matched0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-64k-debuginfo0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-64k-devel0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-64k-devel-matched0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debug-debuginfo0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debug-devel0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debug-devel-matched0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debuginfo0 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debuginfo-common-aarch640 → 0:5.14.0-687.41.1.el9_8
Red Hat:enterprise_linux:9::appstream kernel-debuginfo-common-ppc64le0 → 0:5.14.0-687.41.1.el9_8

Sources

OSV.devPackage advisoryRHSA-2026:57252
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
osv.dev