CVE-2026-64000
net: hsr: fix potential OOB access in supervision frame handling
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 19, 2026 |
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Affected Versions
Linux / Linux
eafaa88b3eb7f28aecb222281655473431d3ef2e < 09a37dca090c55ffb1a33f52d8667f1c2367ef48 eafaa88b3eb7f28aecb222281655473431d3ef2e < a4b64f3e9c7b8259f7dd251a0313420ba7c01852 eafaa88b3eb7f28aecb222281655473431d3ef2e < 71c986c0ba45b7dc574fae27c83e7b6671556f37 eafaa88b3eb7f28aecb222281655473431d3ef2e < fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7 eafaa88b3eb7f28aecb222281655473431d3ef2e < 78607a6854a22a2502f68092202e75a39af4865d eafaa88b3eb7f28aecb222281655473431d3ef2e < f229426072fc865654a60978bb7fda790a051ff3
Linux / Linux
5.16
References
git.kernel.org: https://git.kernel.org/stable/c/09a37dca090c55ffb1a33f52d8667f1c2367ef48 git.kernel.org: https://git.kernel.org/stable/c/a4b64f3e9c7b8259f7dd251a0313420ba7c01852 git.kernel.org: https://git.kernel.org/stable/c/71c986c0ba45b7dc574fae27c83e7b6671556f37 git.kernel.org: https://git.kernel.org/stable/c/fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7 git.kernel.org: https://git.kernel.org/stable/c/78607a6854a22a2502f68092202e75a39af4865d git.kernel.org: https://git.kernel.org/stable/c/f229426072fc865654a60978bb7fda790a051ff3