Buffer Overflow Affecting kernel-debuginfo package, versions <0:4.14.268-205.500.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-2419776
- published 9 Mar 2022
- disclosed 8 Dec 2021
Introduced: 8 Dec 2021
CVE-2018-25020 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.268-205.500.amzn2 or higher.
This issue was patched in ALAS2-2022-1761.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.