Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: ethtool: tsconfig: fix missing ethnl_ops_complete() tsconfig_prepare_data()… (CVE-2026-64526)
A vulnerability in the Linux kernel's ethtool tsconfig subsystem was fixed by ensuring proper calls to ethnl_ops_complete() after tsconfig_prepare_data() calls ethnl_ops_begin(). This issue was part of a broader set of Linux kernel security fixes addressing multiple subsystems. The vulnerability could potentially lead to system compromise if exploited. Patches are available and should be applied. The update requires a system reboot and recompilation of third-party kernel modules due to ABI changes.
AI Analysis
Technical Summary
The Linux kernel vulnerability CVE-2026-64526 involves the ethtool tsconfig code where a missing call to ethnl_ops_complete() after tsconfig_prepare_data() calls ethnl_ops_begin() was fixed. This fix ensures proper completion of netlink operations, preventing potential errors or inconsistent states. This issue was addressed as part of a comprehensive Linux kernel update that fixed multiple security flaws across various subsystems. The vulnerability affects multiple linux-hwe-edge kernel versions prior to 7.0.0-28.28 and related builds. The vendor advisory confirms a patch is available and recommends updating to fixed kernel versions.
Potential Impact
If exploited, this vulnerability could allow an attacker to cause errors or inconsistent states in the ethtool tsconfig netlink operations, potentially leading to system compromise. The advisory notes multiple kernel security issues that could be used by attackers to compromise the system. The severity is assessed as medium. No known exploits in the wild have been reported.
Mitigation Recommendations
A patch is available and should be applied by updating the Linux kernel to versions 7.0.0-28.28 or later as specified in the vendor advisory. After updating, a system reboot is required to apply the changes. Due to an ABI change, all third-party kernel modules must be recompiled and reinstalled. Follow the vendor's update instructions carefully to ensure full remediation.
Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: ethtool: tsconfig: fix missing ethnl_ops_complete() tsconfig_prepare_data()… (CVE-2026-64526)
Description
A vulnerability in the Linux kernel's ethtool tsconfig subsystem was fixed by ensuring proper calls to ethnl_ops_complete() after tsconfig_prepare_data() calls ethnl_ops_begin(). This issue was part of a broader set of Linux kernel security fixes addressing multiple subsystems. The vulnerability could potentially lead to system compromise if exploited. Patches are available and should be applied. The update requires a system reboot and recompilation of third-party kernel modules due to ABI changes.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Linux kernel vulnerability CVE-2026-64526 involves the ethtool tsconfig code where a missing call to ethnl_ops_complete() after tsconfig_prepare_data() calls ethnl_ops_begin() was fixed. This fix ensures proper completion of netlink operations, preventing potential errors or inconsistent states. This issue was addressed as part of a comprehensive Linux kernel update that fixed multiple security flaws across various subsystems. The vulnerability affects multiple linux-hwe-edge kernel versions prior to 7.0.0-28.28 and related builds. The vendor advisory confirms a patch is available and recommends updating to fixed kernel versions.
Potential Impact
If exploited, this vulnerability could allow an attacker to cause errors or inconsistent states in the ethtool tsconfig netlink operations, potentially leading to system compromise. The advisory notes multiple kernel security issues that could be used by attackers to compromise the system. The severity is assessed as medium. No known exploits in the wild have been reported.
Mitigation Recommendations
A patch is available and should be applied by updating the Linux kernel to versions 7.0.0-28.28 or later as specified in the vendor advisory. After updating, a system reboot is required to apply the changes. Due to an ABI change, all third-party kernel modules must be recompiled and reinstalled. Follow the vendor's update instructions carefully to ensure full remediation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-hrj4-fjp6-g5x5
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64526"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6542059c2644c7f8081ac3
Added to database: 07/25/2026, 23:08:53 UTC
Last enriched: 09/07/2026, 17:33:46 UTC
Last updated: 09/08/2026, 22:52:14 UTC
Views: 47
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