Red Hat Security Advisory: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-after-free in teql queueing discipline can lead to privilege escalation (CVE-2026-23074) 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.
AI Analysis
Technical Summary
CVE-2026-23074 is a use-after-free vulnerability in the Linux kernel's teql queueing discipline that can lead to privilege escalation. Red Hat Product Security has rated this update as important and released a kernel security update for Red Hat Enterprise Linux 6 Extended Lifecycle Support. The advisory references a fix in kernel version 2.6.32-754.59.1.el6 and related packages. The vulnerability is tracked under CWE-825. No CVSS score is provided in the advisory.
Potential Impact
Successful exploitation of this use-after-free vulnerability could allow an attacker to escalate privileges on affected systems running Red Hat Enterprise Linux 6 Extended Lifecycle Support. This could lead to unauthorized administrative access to the system.
Mitigation Recommendations
Red Hat has released an official kernel update to fix this vulnerability. Users should apply the update as described in the Red Hat advisory RHSA-2026:3810 and reboot their systems to ensure the patch takes effect. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: kernel security update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-after-free in teql queueing discipline can lead to privilege escalation (CVE-2026-23074) 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
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-23074 is a use-after-free vulnerability in the Linux kernel's teql queueing discipline that can lead to privilege escalation. Red Hat Product Security has rated this update as important and released a kernel security update for Red Hat Enterprise Linux 6 Extended Lifecycle Support. The advisory references a fix in kernel version 2.6.32-754.59.1.el6 and related packages. The vulnerability is tracked under CWE-825. No CVSS score is provided in the advisory.
Potential Impact
Successful exploitation of this use-after-free vulnerability could allow an attacker to escalate privileges on affected systems running Red Hat Enterprise Linux 6 Extended Lifecycle Support. This could lead to unauthorized administrative access to the system.
Mitigation Recommendations
Red Hat has released an official kernel update to fix this vulnerability. Users should apply the update as described in the Red Hat advisory RHSA-2026:3810 and reboot their systems to ensure the patch takes effect. For detailed update instructions, refer to https://access.redhat.com/articles/11258. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3810
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1c34853345fc181eff8
Added to database: 06/25/2026, 21:46:43 UTC
Last enriched: 06/25/2026, 21:55:27 UTC
Last updated: 07/31/2026, 19:24:47 UTC
Views: 257
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