A security issue was found in the Linux kernel. It was discovered that eBPF RINGBUF bpf_ringbuf_reserve did not check that the allocated size was smaller than the ringbuf size, leading to an out-of-bounds write.
A security issue was found in the Linux kernel. It was discovered that eBPF RINGBUF bpf_ringbuf_reserve did not check that the allocated size was smaller than the ringbuf size, leading to an out-of-bounds write.
https://www.openwall.com/lists/oss-security/2021/05/11/10 https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=4b81ccebaeee885ab1aa1438133f2991e3a2b6ea
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