Red Hat Security Advisory: kernel security update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * microcode_ctl: From CVEorg collector (CVE-2024-28956) * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864) 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 from Red Hat Product Security addresses two vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 10. The first, CVE-2024-28956, involves microcode_ctl and is sourced from CVEorg collector data. The second, CVE-2025-39864, is a use-after-free vulnerability in the wifi cfg80211 subsystem's cmp_bss() function. Both vulnerabilities are rated with moderate security impact by Red Hat. The update fixes these issues and requires a system reboot to take effect. The advisory applies to Red Hat Enterprise Linux 10 and its extended update support variants across multiple hardware architectures including x86_64, s390x, ppc64le, and aarch64.
Potential Impact
The vulnerabilities affect the Linux kernel, which is the core component of the operating system. The use-after-free flaw in the wifi cfg80211 subsystem could lead to memory corruption, potentially impacting system stability or security. The microcode_ctl issue is also addressed but details are limited. Red Hat rates the overall impact as moderate. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official security update from Red Hat is available and should be applied promptly. The update includes fixes for both CVE-2024-28956 and CVE-2025-39864. After applying the update, a system reboot is required for the fixes to take effect. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for detailed guidance. 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): * microcode_ctl: From CVEorg collector (CVE-2024-28956) * kernel: wifi: cfg80211: fix use-after-free in cmp_bss() (CVE-2025-39864) 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 from Red Hat Product Security addresses two vulnerabilities in the Linux kernel packages for Red Hat Enterprise Linux 10. The first, CVE-2024-28956, involves microcode_ctl and is sourced from CVEorg collector data. The second, CVE-2025-39864, is a use-after-free vulnerability in the wifi cfg80211 subsystem's cmp_bss() function. Both vulnerabilities are rated with moderate security impact by Red Hat. The update fixes these issues and requires a system reboot to take effect. The advisory applies to Red Hat Enterprise Linux 10 and its extended update support variants across multiple hardware architectures including x86_64, s390x, ppc64le, and aarch64.
Potential Impact
The vulnerabilities affect the Linux kernel, which is the core component of the operating system. The use-after-free flaw in the wifi cfg80211 subsystem could lead to memory corruption, potentially impacting system stability or security. The microcode_ctl issue is also addressed but details are limited. Red Hat rates the overall impact as moderate. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official security update from Red Hat is available and should be applied promptly. The update includes fixes for both CVE-2024-28956 and CVE-2025-39864. After applying the update, a system reboot is required for the fixes to take effect. Refer to Red Hat's official update instructions at https://access.redhat.com/articles/11258 for detailed guidance. 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-2025:19962
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-39864"]
- Cvss Version
- null
Threat ID: 6a3da1de4853345fc182a98b
Added to database: 06/25/2026, 21:47:10 UTC
Last enriched: 06/25/2026, 22:23:56 UTC
Last updated: 07/02/2026, 20:51:13 UTC
Views: 14
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