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Linux Kernel Security Linux Kernel Security @linkersec · 4.72K subscribers
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Linux Kernel: Vulnerability in the eBPF verifier register limit tracking

An exploitable vunerability in eBPF announced by JJ. Requires the CAP_BPF capability to trigger. Found with buzzer.
GitHub Linux Kernel: Vulnerability in the eBPF verifier register limit tracking ### Summary A bug in the verifier’s register limit tracking was found by using https://github.com/google/buzzer that allows an attacker to trick the eBPF verifier into thinking a register has a va...
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