CVE-2026-64000

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeof(struct hsr_sup_tlv) to the pskb_may_pull() calls. Without this, a truncated frame could cause an out-of-bounds access.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2026-07-19

Modified

2026-10-19

Record from

the NVD, synced 2026-10-21

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/09a37dca090c55ffb1a33f52d8667f1c2367ef48
• https://git.kernel.org/stable/c/71c986c0ba45b7dc574fae27c83e7b6671556f37
• https://git.kernel.org/stable/c/78607a6854a22a2502f68092202e75a39af4865d
• https://git.kernel.org/stable/c/a4b64f3e9c7b8259f7dd251a0313420ba7c01852
• https://git.kernel.org/stable/c/f229426072fc865654a60978bb7fda790a051ff3

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