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: nfsd: release svc_expkey/svc_export with rcu_work (CVE-2024-53216) * kernel: scsi: qla2xxx: Fix improper freeing of purex item (CVE-2025-68741) * kernel: Linux kernel: Denial of service and memory corruption in RDMA umad (CVE-2026-23243) * kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401) * kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431) * kernel: can: raw: fix ro->uniq use-after-free in raw_rcv() (CVE-2026-31532) 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
This Red Hat security advisory (RHSA-2026:14339) covers multiple vulnerabilities in the Linux kernel affecting Red Hat Enterprise Linux 9.6 Extended Update Support and related CodeReady Linux Builder products. The fixed issues include CVE-2024-53216 (NFS daemon resource release), CVE-2025-68741 (SCSI qla2xxx improper freeing), CVE-2026-23243 (RDMA umad denial of service and memory corruption), CVE-2026-23401 (KVM privilege escalation or denial of service via shadow page table handling), CVE-2026-31431 (crypto algif_aead out-of-place operation revert), and CVE-2026-31532 (CAN raw socket use-after-free). The advisory notes the importance of applying the update and rebooting the system to mitigate these vulnerabilities. No CVSS scores are provided in the advisory; users are directed to individual CVE pages for detailed scoring and impact information.
Potential Impact
The vulnerabilities fixed by this advisory can lead to denial of service, memory corruption, privilege escalation, and use-after-free conditions in the Linux kernel. These issues affect core kernel components and could impact system stability and security if exploited. The advisory rates the overall security impact as Important, indicating significant risk to affected systems if unpatched.
Mitigation Recommendations
Red Hat has released an updated kernel package for Red Hat Enterprise Linux 9.6 Extended Update Support and related products that addresses these vulnerabilities. Users should apply the update as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258) and reboot affected systems to ensure the fixes take effect. No additional mitigation steps are indicated beyond applying the official update and rebooting.
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: nfsd: release svc_expkey/svc_export with rcu_work (CVE-2024-53216) * kernel: scsi: qla2xxx: Fix improper freeing of purex item (CVE-2025-68741) * kernel: Linux kernel: Denial of service and memory corruption in RDMA umad (CVE-2026-23243) * kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401) * kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431) * kernel: can: raw: fix ro->uniq use-after-free in raw_rcv() (CVE-2026-31532) 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
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This Red Hat security advisory (RHSA-2026:14339) covers multiple vulnerabilities in the Linux kernel affecting Red Hat Enterprise Linux 9.6 Extended Update Support and related CodeReady Linux Builder products. The fixed issues include CVE-2024-53216 (NFS daemon resource release), CVE-2025-68741 (SCSI qla2xxx improper freeing), CVE-2026-23243 (RDMA umad denial of service and memory corruption), CVE-2026-23401 (KVM privilege escalation or denial of service via shadow page table handling), CVE-2026-31431 (crypto algif_aead out-of-place operation revert), and CVE-2026-31532 (CAN raw socket use-after-free). The advisory notes the importance of applying the update and rebooting the system to mitigate these vulnerabilities. No CVSS scores are provided in the advisory; users are directed to individual CVE pages for detailed scoring and impact information.
Potential Impact
The vulnerabilities fixed by this advisory can lead to denial of service, memory corruption, privilege escalation, and use-after-free conditions in the Linux kernel. These issues affect core kernel components and could impact system stability and security if exploited. The advisory rates the overall security impact as Important, indicating significant risk to affected systems if unpatched.
Mitigation Recommendations
Red Hat has released an updated kernel package for Red Hat Enterprise Linux 9.6 Extended Update Support and related products that addresses these vulnerabilities. Users should apply the update as detailed in the Red Hat advisory (https://access.redhat.com/articles/11258) and reboot affected systems to ensure the fixes take effect. No additional mitigation steps are indicated beyond applying the official update and rebooting.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:14339
- Cve Count
- 7
- Additional Cves
- ["CVE-2025-68741","CVE-2026-23243","CVE-2026-23401","CVE-2026-31431","CVE-2026-31532","CVE-2026-43077"]
- Cvss Version
- null
Threat ID: 6a160980e29bf47b5064d558
Added to database: 05/26/2026, 20:58:40 UTC
Last enriched: 07/08/2026, 14:03:14 UTC
Last updated: 07/31/2026, 19:22:52 UTC
Views: 268
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