Red Hat Security Advisory: kernel security update
This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 9. The update fixes issues including illegal memory access, uninitialized buffer usage, lost return statements, permission bypasses, potential underflows, and improper sanitization in various kernel subsystems. 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 seven distinct vulnerabilities in the Linux kernel used by Red Hat Enterprise Linux 9. These include CVE-2024-26615 (illegal rmb_desc access in SMC-D connection dump), CVE-2024-43854 (uninitialized integrity buffer in block subsystem), CVE-2024-44994 (missing return in iommu_report_device_fault), CVE-2024-45018 (uninitialized extack in netfilter flowtable), CVE-2024-46695 (SELinux/Smack permission bypass in inode_setsecctx hook), CVE-2024-49949 (potential underflow in qdisc_pkt_len_init with UFO), and CVE-2024-50251 (improper sanitization in nft_payload before checksum). The advisory provides fixes for these issues in updated kernel packages and requires a reboot to apply changes.
Potential Impact
The vulnerabilities collectively could lead to illegal memory access, permission bypass, and potential kernel crashes or instability. These issues affect core kernel components such as networking, block device handling, IOMMU fault reporting, and security modules (SELinux/Smack). The impact is rated moderate by Red Hat, indicating these flaws could be exploited to affect system stability or security but are not classified as critical.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2024:10939 and reboot their 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
This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 9. The update fixes issues including illegal memory access, uninitialized buffer usage, lost return statements, permission bypasses, potential underflows, and improper sanitization in various kernel subsystems. The advisory rates the overall security impact as moderate and requires a system reboot after applying the update.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The advisory covers seven distinct vulnerabilities in the Linux kernel used by Red Hat Enterprise Linux 9. These include CVE-2024-26615 (illegal rmb_desc access in SMC-D connection dump), CVE-2024-43854 (uninitialized integrity buffer in block subsystem), CVE-2024-44994 (missing return in iommu_report_device_fault), CVE-2024-45018 (uninitialized extack in netfilter flowtable), CVE-2024-46695 (SELinux/Smack permission bypass in inode_setsecctx hook), CVE-2024-49949 (potential underflow in qdisc_pkt_len_init with UFO), and CVE-2024-50251 (improper sanitization in nft_payload before checksum). The advisory provides fixes for these issues in updated kernel packages and requires a reboot to apply changes.
Potential Impact
The vulnerabilities collectively could lead to illegal memory access, permission bypass, and potential kernel crashes or instability. These issues affect core kernel components such as networking, block device handling, IOMMU fault reporting, and security modules (SELinux/Smack). The impact is rated moderate by Red Hat, indicating these flaws could be exploited to affect system stability or security but are not classified as critical.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the security update as detailed in the Red Hat advisory RHSA-2024:10939 and reboot their 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-2024:10939
- Cve Count
- 7
- Additional Cves
- ["CVE-2024-43854","CVE-2024-44994","CVE-2024-45018","CVE-2024-46695","CVE-2024-49949","CVE-2024-50251"]
- Cvss Version
- null
Threat ID: 6a3da2004853345fc1836cb4
Added to database: 06/25/2026, 21:47:44 UTC
Last enriched: 06/25/2026, 22:02:06 UTC
Last updated: 06/25/2026, 22:27:43 UTC
Views: 3
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