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: Linux kernel: Denial of Service due to data race in vmalloc's show_numa_info function (CVE-2025-38383) 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
CVE-2025-38383 is a vulnerability in the Linux kernel where a data race condition in the vmalloc's show_numa_info function can lead to a denial of service. This vulnerability affects Red Hat Enterprise Linux 10 and related variants. Red Hat has issued a security advisory (RHSA-2026:1178) providing an updated kernel package that fixes this issue. The advisory classifies the severity as moderate and recommends applying the update and rebooting the system to mitigate the vulnerability.
Potential Impact
The vulnerability allows an attacker to cause a denial of service condition on affected systems by exploiting a data race in the kernel's vmalloc subsystem. This could result in system instability or crashes. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the Linux kernel addressing CVE-2025-38383. Users should apply the kernel update provided in advisory RHSA-2026:1178 and reboot their systems to ensure the fix takes effect. Refer to Red Hat's update instructions at https://access.redhat.com/articles/11258 for detailed guidance.
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: Linux kernel: Denial of Service due to data race in vmalloc's show_numa_info function (CVE-2025-38383) 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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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-38383 is a vulnerability in the Linux kernel where a data race condition in the vmalloc's show_numa_info function can lead to a denial of service. This vulnerability affects Red Hat Enterprise Linux 10 and related variants. Red Hat has issued a security advisory (RHSA-2026:1178) providing an updated kernel package that fixes this issue. The advisory classifies the severity as moderate and recommends applying the update and rebooting the system to mitigate the vulnerability.
Potential Impact
The vulnerability allows an attacker to cause a denial of service condition on affected systems by exploiting a data race in the kernel's vmalloc subsystem. This could result in system instability or crashes. There are no known exploits in the wild at this time.
Mitigation Recommendations
Red Hat has released an official security update for the Linux kernel addressing CVE-2025-38383. Users should apply the kernel update provided in advisory RHSA-2026:1178 and reboot their systems to ensure the fix takes effect. Refer to Red Hat's update instructions at https://access.redhat.com/articles/11258 for detailed guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:1178
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3da1c84853345fc1821608
Added to database: 06/25/2026, 21:46:48 UTC
Last enriched: 06/25/2026, 22:00:49 UTC
Last updated: 07/02/2026, 21:52:04 UTC
Views: 8
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