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: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY (CVE-2024-56690) * kernel: of_numa: fix uninitialized memory nodes causing kernel panic (CVE-2025-39903) 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
The Red Hat kernel security update for Red Hat Enterprise Linux 10.0 Extended Update Support addresses two vulnerabilities: CVE-2024-56690, which fixes the crypto subsystem by calling the crypto layer directly when padata_do_parallel() returns -EBUSY, and CVE-2025-39903, which resolves uninitialized memory nodes in the of_numa subsystem that could lead to kernel panic. These vulnerabilities relate to improper handling of concurrency and uninitialized memory, corresponding to CWE-703 (Improper Check or Handling of Exceptional Conditions) and CWE-476 (NULL Pointer Dereference). Red Hat has released updated kernel packages to fix these issues, requiring a system reboot for the changes to take effect.
Potential Impact
The vulnerabilities could cause instability or denial of service conditions such as kernel panic due to uninitialized memory nodes, and potential issues in the crypto subsystem when handling parallel operations. The security impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
A security update for the kernel packages is available from Red Hat for Red Hat Enterprise Linux 10.0 Extended Update Support. Users should apply the update as described in Red Hat's advisory and reboot their systems to ensure the fixes take effect. 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): * kernel: crypto: pcrypt - Call crypto layer directly when padata_do_parallel() return -EBUSY (CVE-2024-56690) * kernel: of_numa: fix uninitialized memory nodes causing kernel panic (CVE-2025-39903) 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
The Red Hat kernel security update for Red Hat Enterprise Linux 10.0 Extended Update Support addresses two vulnerabilities: CVE-2024-56690, which fixes the crypto subsystem by calling the crypto layer directly when padata_do_parallel() returns -EBUSY, and CVE-2025-39903, which resolves uninitialized memory nodes in the of_numa subsystem that could lead to kernel panic. These vulnerabilities relate to improper handling of concurrency and uninitialized memory, corresponding to CWE-703 (Improper Check or Handling of Exceptional Conditions) and CWE-476 (NULL Pointer Dereference). Red Hat has released updated kernel packages to fix these issues, requiring a system reboot for the changes to take effect.
Potential Impact
The vulnerabilities could cause instability or denial of service conditions such as kernel panic due to uninitialized memory nodes, and potential issues in the crypto subsystem when handling parallel operations. The security impact is rated as moderate by Red Hat. There are no known exploits in the wild at this time.
Mitigation Recommendations
A security update for the kernel packages is available from Red Hat for Red Hat Enterprise Linux 10.0 Extended Update Support. Users should apply the update as described in Red Hat's advisory and reboot their systems to ensure the fixes take effect. 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-2025:21492
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-39903"]
- Cvss Version
- null
Threat ID: 6a3da1dc4853345fc1829dcd
Added to database: 06/25/2026, 21:47:08 UTC
Last enriched: 06/25/2026, 22:22:12 UTC
Last updated: 07/02/2026, 20:51:14 UTC
Views: 26
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