Red Hat Security Advisory: kernel security update
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927) 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 vulnerability CVE-2025-21927 involves a potential memory corruption in the nvme_tcp_recv_pdu() function within the nvme-tcp subsystem of the Linux kernel. Red Hat has issued a security advisory (RHSA-2025:7501) providing an update to the kernel packages for Red Hat Enterprise Linux 10 and its extended update support versions to fix this issue. The advisory classifies the update as Important and recommends applying the update followed by a system reboot. No CVSS score is provided in the advisory. The vulnerability is categorized under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer).
Potential Impact
The vulnerability could lead to memory corruption in the kernel's nvme-tcp code, which may affect system stability or security. The Red Hat advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released an official kernel update that fixes the vulnerability. Users of Red Hat Enterprise Linux 10 and related variants should apply the kernel update as described in the advisory (https://access.redhat.com/articles/11258) and reboot their systems to activate the fix. This is the recommended and official remediation.
Red Hat Security Advisory: kernel security update
Description
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927) 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
The vulnerability CVE-2025-21927 involves a potential memory corruption in the nvme_tcp_recv_pdu() function within the nvme-tcp subsystem of the Linux kernel. Red Hat has issued a security advisory (RHSA-2025:7501) providing an update to the kernel packages for Red Hat Enterprise Linux 10 and its extended update support versions to fix this issue. The advisory classifies the update as Important and recommends applying the update followed by a system reboot. No CVSS score is provided in the advisory. The vulnerability is categorized under CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer).
Potential Impact
The vulnerability could lead to memory corruption in the kernel's nvme-tcp code, which may affect system stability or security. The Red Hat advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released an official kernel update that fixes the vulnerability. Users of Red Hat Enterprise Linux 10 and related variants should apply the kernel update as described in the advisory (https://access.redhat.com/articles/11258) and reboot their systems to activate the fix. This is the recommended and official remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:7501
- Cve Count
- 1
Threat ID: 6a3da1d24853345fc1825c5a
Added to database: 06/25/2026, 21:46:58 UTC
Last enriched: 06/25/2026, 22:11:46 UTC
Last updated: 09/10/2026, 19:36:49 UTC
Views: 44
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