Red Hat Security Advisory: kernel security update
This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel packages used in Red Hat Enterprise Linux 9. The update fixes issues including null pointer dereferences, use-after-free bugs, out-of-bounds writes, kernel verifier crashes, and information leaks across various kernel subsystems such as Bluetooth, BPF, NFS, KVM, and others. The advisory rates the overall security impact as moderate and requires a system reboot after applying the update.
AI Analysis
Technical Summary
The advisory covers 17 distinct security fixes in the Linux kernel for Red Hat Enterprise Linux 9. Notable vulnerabilities include a null pointer dereference in Bluetooth L2CAP channel timeout handling (CVE-2024-27399), enforcement of attach types in BPF link creation (CVE-2024-38564), kernel verifier crash fixes (CVE-2024-45020), use-after-free bugs in BPF and Bluetooth subsystems, and kernel information leaks in the xfrm subsystem. These issues affect core kernel components and could lead to system instability or information disclosure. The update is rated moderate in severity and applies to multiple Red Hat Enterprise Linux 9 variants and architectures.
Potential Impact
The vulnerabilities collectively could cause kernel crashes, use-after-free conditions, null pointer dereferences, information leaks, and potential memory corruption. While the advisory does not specify exploitation in the wild, these issues could impact system stability and security if left unpatched. The overall security impact is rated moderate by Red Hat.
Mitigation Recommendations
A security update for the Linux kernel is available from Red Hat and should be applied promptly. The update addresses all listed vulnerabilities and requires a system reboot to take effect. Administrators should follow Red Hat's official guidance at https://access.redhat.com/articles/11258 to apply the update. No additional mitigations are specified beyond applying the official patch.
Red Hat Security Advisory: kernel security update
Description
This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel packages used in Red Hat Enterprise Linux 9. The update fixes issues including null pointer dereferences, use-after-free bugs, out-of-bounds writes, kernel verifier crashes, and information leaks across various kernel subsystems such as Bluetooth, BPF, NFS, KVM, and others. The advisory rates the overall security impact as moderate and requires a system reboot after applying the update.
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers 17 distinct security fixes in the Linux kernel for Red Hat Enterprise Linux 9. Notable vulnerabilities include a null pointer dereference in Bluetooth L2CAP channel timeout handling (CVE-2024-27399), enforcement of attach types in BPF link creation (CVE-2024-38564), kernel verifier crash fixes (CVE-2024-45020), use-after-free bugs in BPF and Bluetooth subsystems, and kernel information leaks in the xfrm subsystem. These issues affect core kernel components and could lead to system instability or information disclosure. The update is rated moderate in severity and applies to multiple Red Hat Enterprise Linux 9 variants and architectures.
Potential Impact
The vulnerabilities collectively could cause kernel crashes, use-after-free conditions, null pointer dereferences, information leaks, and potential memory corruption. While the advisory does not specify exploitation in the wild, these issues could impact system stability and security if left unpatched. The overall security impact is rated moderate by Red Hat.
Mitigation Recommendations
A security update for the Linux kernel is available from Red Hat and should be applied promptly. The update addresses all listed vulnerabilities and requires a system reboot to take effect. Administrators should follow Red Hat's official guidance at https://access.redhat.com/articles/11258 to apply the update. No additional mitigations are specified beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:11486
- Cve Count
- 17
- Additional Cves
- ["CVE-2024-38564","CVE-2024-45020","CVE-2024-46697","CVE-2024-47675","CVE-2024-49888","CVE-2024-50099","CVE-2024-50110","CVE-2024-50115","CVE-2024-50124","CVE-2024-50125","CVE-2024-50142","CVE-2024-50148","CVE-2024-50192","CVE-2024-50223","CVE-2024-50255","CVE-2024-50262"]
- Cvss Version
- null
Threat ID: 6a3da1fe4853345fc1836421
Added to database: 06/25/2026, 21:47:42 UTC
Last enriched: 08/05/2026, 18:27:12 UTC
Last updated: 08/21/2026, 10:52:03 UTC
Views: 106
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.