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: netfilter: ipset: add missing range check in bitmap_ip_uadt (CVE-2024-53141) * kernel: vsock: Keep the binding until socket destruction (CVE-2025-21756) 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 advisory addresses two kernel vulnerabilities in Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. CVE-2024-53141 involves a missing range check in the netfilter ipset bitmap_ip_uadt function, classified under CWE-20 (Improper Input Validation). CVE-2025-21756 concerns the vsock subsystem where the binding is not properly maintained until socket destruction, related to CWE-416 (Use After Free). Red Hat has released updated kernel packages to fix these issues and recommends applying the update and rebooting affected systems. No CVSS scores are provided in the advisory.
Potential Impact
The vulnerabilities affect the Linux kernel core components, potentially allowing improper input handling and use-after-free conditions. The advisory rates the security impact as important (high severity). No known exploits in the wild are reported. The issues could affect system stability or security if exploited, but specific impact details are not provided in the advisory.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the kernel update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) and reboot their systems to ensure the fixes take effect. No alternative mitigations or workarounds are indicated. Patch status is confirmed as available via the official Red Hat update.
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: netfilter: ipset: add missing range check in bitmap_ip_uadt (CVE-2024-53141) * kernel: vsock: Keep the binding until socket destruction (CVE-2025-21756) 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
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory addresses two kernel vulnerabilities in Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. CVE-2024-53141 involves a missing range check in the netfilter ipset bitmap_ip_uadt function, classified under CWE-20 (Improper Input Validation). CVE-2025-21756 concerns the vsock subsystem where the binding is not properly maintained until socket destruction, related to CWE-416 (Use After Free). Red Hat has released updated kernel packages to fix these issues and recommends applying the update and rebooting affected systems. No CVSS scores are provided in the advisory.
Potential Impact
The vulnerabilities affect the Linux kernel core components, potentially allowing improper input handling and use-after-free conditions. The advisory rates the security impact as important (high severity). No known exploits in the wild are reported. The issues could affect system stability or security if exploited, but specific impact details are not provided in the advisory.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the kernel update as described in the Red Hat advisory (https://access.redhat.com/articles/11258) and reboot their systems to ensure the fixes take effect. No alternative mitigations or workarounds are indicated. Patch status is confirmed as available via the official Red Hat update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:7897
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-21756"]
Threat ID: 6a3da1d14853345fc18255e3
Added to database: 06/25/2026, 21:46:57 UTC
Last enriched: 06/25/2026, 22:10:35 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 25
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