CVE-2026-64000: net: hsr: fix potential OOB access in supervision frame handling
In the Linux kernel, the following vulnerability has been resolved:
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.187-1Fixed in 6.12.107-1Fixed in 6.12.111-1Fixed in 7.2.8-1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-64000?
CVE-2026-64000 has a severity rating of critical with a score of 9.8.
How do I fix CVE-2026-64000?
To fix CVE-2026-64000, you should update to the patched version of the Linux kernel that addresses the out-of-bounds access in supervision frame handling.
What type of access does CVE-2026-64000 affect?
CVE-2026-64000 affects out-of-bounds (OOB) access in the handling of supervision frames within the Linux kernel.
Which software is impacted by CVE-2026-64000?
CVE-2026-64000 impacts the Linux kernel, specifically the networking component related to HSR (High-availability Seamless Redundancy).
Is there an exploit for CVE-2026-64000?
While no specific exploit has been publicly disclosed for CVE-2026-64000, its critical severity suggests it could be exploited under the right conditions.