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: udmabuf: fix a buf size overflow issue during udmabuf creation (CVE-2025-37803) * kernel: idpf: convert control queue mutex to a spinlock (CVE-2025-38392) 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 covers security fixes in the Linux kernel packages for Red Hat Enterprise Linux 9. The key vulnerabilities addressed include CVE-2025-37803, a buffer size overflow in the udmabuf component during creation, and CVE-2025-38392, which involves converting a control queue mutex to a spinlock in the idpf driver to fix concurrency issues. The advisory references additional CVEs but focuses on these kernel-level fixes. Red Hat has released updated kernel packages to remediate these issues, and a system reboot is necessary to apply the updates.
Potential Impact
The vulnerabilities could lead to potential memory corruption or concurrency issues within the kernel, which may affect system stability or security. The advisory rates the impact as Important, indicating a significant security concern that could be exploited if unpatched. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the provided kernel updates for Red Hat Enterprise Linux 9 and reboot their systems to ensure the fixes take effect. For detailed update instructions, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches 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: udmabuf: fix a buf size overflow issue during udmabuf creation (CVE-2025-37803) * kernel: idpf: convert control queue mutex to a spinlock (CVE-2025-38392) 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 covers security fixes in the Linux kernel packages for Red Hat Enterprise Linux 9. The key vulnerabilities addressed include CVE-2025-37803, a buffer size overflow in the udmabuf component during creation, and CVE-2025-38392, which involves converting a control queue mutex to a spinlock in the idpf driver to fix concurrency issues. The advisory references additional CVEs but focuses on these kernel-level fixes. Red Hat has released updated kernel packages to remediate these issues, and a system reboot is necessary to apply the updates.
Potential Impact
The vulnerabilities could lead to potential memory corruption or concurrency issues within the kernel, which may affect system stability or security. The advisory rates the impact as Important, indicating a significant security concern that could be exploited if unpatched. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the provided kernel updates for Red Hat Enterprise Linux 9 and reboot their systems to ensure the fixes take effect. For detailed update instructions, refer to Red Hat's official guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patches 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-2025:15429
- Cve Count
- 3
- Additional Cves
- ["CVE-2025-38392","CVE-2025-39825"]
- Cvss Version
- null
Threat ID: 6a3da1e54853345fc182d779
Added to database: 06/25/2026, 21:47:17 UTC
Last enriched: 06/25/2026, 22:32:05 UTC
Last updated: 07/01/2026, 08:51:17 UTC
Views: 6
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