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Amazon Linux AMI: CVE-2018-25020: Security patch for kernel (ALAS-2022-1571)

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Amazon Linux AMI: CVE-2018-25020: Security patch for kernel (ALAS-2022-1571)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
12/08/2021
Created
03/11/2022
Added
03/09/2022
Modified
10/14/2022

Description

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.

Solution(s)

  • amazon-linux-upgrade-kernel

References

  • ALAS-2022-1571
  • CVE-2018-25020

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