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Huawei EulerOS: CVE-2021-34556: kernel security update

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Huawei EulerOS: CVE-2021-34556: kernel security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
08/02/2021
Created
02/25/2022
Added
02/24/2022
Modified
02/24/2022

Description

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibility of uninitialized memory locations on the BPF stack.

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

References

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