Vulnerability CVE-2021-20320
Published: 2022-02-18

Description:
A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=2010090
https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com/
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