Oracle Linux: CVE-2019-7308: ELSA-2020-5755: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)
Description
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks. A bypass was found for the Spectre v1 hardening in the eBPF engine of the Linux kernel. The code in the kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
Solution(s)
- oracle-linux-upgrade-kernel-uek
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