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

0
High
Published: 07/23/2026 (07/23/2026, 12:47:42 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

Red Hat has released a security advisory addressing multiple vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 9.6 Extended Update Support. The update fixes several security issues including use-after-free bugs, information leaks, out-of-bounds reads, and validation errors across various kernel components such as VMCI, virtual terminal, Bluetooth, AMD display, SMB client, network scheduler, and DRM. The advisory also includes bug fixes and enhancements unrelated to security. Systems must be rebooted after applying the update for changes to take effect.

Affected software

Affected versions
>=9.6 <9.7

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/12/2026, 07:32:13 UTC

Technical Analysis

This advisory covers multiple security fixes in the Linux kernel for Red Hat Enterprise Linux 9.6 EUS. Notable vulnerabilities include CVE-2024-46738 (use-after-free in vmci_resource_remove), CVE-2024-50076 (kernel info leak in con_font_get), CVE-2025-39982 (use-after-free in Bluetooth hci_acl_create_conn_sync), CVE-2026-31488 (DSC validation in AMD display), CVE-2026-31613 (out-of-bounds read in SMB client symlink error parsing), CVE-2026-31684 (validation of nested VLAN headers in network scheduler), CVE-2026-46116 (defensive unhashing in xfrm_state deletion), and CVE-2026-46209 (plane dimension calculation in DRM GEM framebuffer initialization). The advisory also addresses several bug fixes and enhancements. The update requires a system reboot to apply.

Potential Impact

The vulnerabilities fixed include use-after-free conditions, information leaks, out-of-bounds reads, and validation errors that could potentially lead to system instability or information disclosure. The advisory rates the security impact as Important (high severity). There are no known exploits in the wild at this time. The fixes improve kernel stability and security across multiple subsystems.

Mitigation Recommendations

A security update is available from Red Hat for Red Hat Enterprise Linux 9.6 Extended Update Support. Users should apply the kernel update as provided by Red Hat and reboot their systems to ensure the fixes take effect. For detailed update instructions, refer to Red Hat's official advisory and article at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update and rebooting.

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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-2026:44385
Cve Count
8
Additional Cves
["CVE-2024-50076","CVE-2025-39982","CVE-2026-31488","CVE-2026-31613","CVE-2026-31684","CVE-2026-46116","CVE-2026-46209"]

Threat ID: 6a6ae54b9c2644c7f89887c6

Added to database: 07/30/2026, 05:46:51 UTC

Last enriched: 09/12/2026, 07:32:13 UTC

Last updated: 09/13/2026, 22:01:27 UTC

Views: 57

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