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Huawei EulerOS: CVE-2021-4159: kernel security update

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Huawei EulerOS: CVE-2021-4159: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
04/11/2022
Created
04/12/2022
Added
04/11/2022
Modified
04/11/2022

Description

A vulnerability was found in the Linux kernel s EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some o f the exploit mitigations in place for the kernel.

Solution(s)

  • huawei-euleros-2_0_sp8-upgrade-bpftool
  • huawei-euleros-2_0_sp8-upgrade-kernel
  • huawei-euleros-2_0_sp8-upgrade-kernel-devel
  • huawei-euleros-2_0_sp8-upgrade-kernel-headers
  • huawei-euleros-2_0_sp8-upgrade-kernel-tools
  • huawei-euleros-2_0_sp8-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp8-upgrade-perf
  • huawei-euleros-2_0_sp8-upgrade-python-perf
  • huawei-euleros-2_0_sp8-upgrade-python3-perf

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