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Red Hat Security Advisory: kernel security update

0
High
Published: 05/05/2026 (05/05/2026, 23:54:00 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Affected software

redhat/kernel
pkg:rpm/redhat/kernel
Affected versions
=10.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/31/2026, 22:15:14 UTC

Technical Analysis

Red Hat has released a critical security update for a special kernel build used in Red Hat Enterprise Linux for NVIDIA ARM 64 platforms. This advisory (RHSA-2026:33486) addresses multiple vulnerabilities including CVE-2026-31431, CVE-2026-43037, CVE-2026-43284, CVE-2026-46300, CVE-2026-46333, and others. The fixes cover issues such as local privilege escalation via the ESP XFRM subsystem (Dirty Frag and Fragnesia variants), kernel crypto subsystem fixes, and kernel SMB client improvements. The update requires a system reboot to take effect. Detailed information and instructions are available in the Red Hat advisory and release notes.

Potential Impact

The vulnerabilities fixed in this kernel update are rated critical and include local privilege escalation flaws that could allow an unprivileged user to gain elevated privileges on affected systems. Other fixes address kernel memory handling and SMB client security issues. Exploitation could compromise system integrity and confidentiality on affected Red Hat Enterprise Linux for NVIDIA ARM 64 systems.

Mitigation Recommendations

A security update is available from Red Hat for the kernel packages in Red Hat Enterprise Linux for NVIDIA ARM 64. Users should apply the update as described in the Red Hat advisory RHSA-2026:33486 and reboot affected systems to ensure the fixes take effect. No additional mitigation is indicated beyond applying the official update.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:13887
Cve Count
2
Additional Cves
["CVE-2026-43077"]

Threat ID: 6a3da1c74853345fc1820ef7

Added to database: 06/25/2026, 21:46:47 UTC

Last enriched: 07/31/2026, 22:15:14 UTC

Last updated: 09/15/2026, 03:49:31 UTC

Views: 71

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