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Huawei EulerOS: CVE-2024-27431: kernel security update

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Huawei EulerOS: CVE-2024-27431: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
05/17/2024
Created
10/09/2024
Added
10/08/2024
Modified
10/08/2024

Description

In the Linux kernel, the following vulnerability has been resolved: cpumap: Zero-initialise xdp_rxq_info struct before running XDP program When running an XDP program that is attached to a cpumap entry, we don't initialise the xdp_rxq_info data structure being used in the xdp_buff that backs the XDP program invocation. Tobias noticed that this leads to random values being returned as the xdp_md->rx_queue_index value for XDP programs running in a cpumap. This means we're basically returning the contents of the uninitialised memory, which is bad. Fix this by zero-initialising the rxq data structure before running the XDP program.

Solution(s)

  • huawei-euleros-2_0_sp11-upgrade-bpftool
  • huawei-euleros-2_0_sp11-upgrade-kernel
  • huawei-euleros-2_0_sp11-upgrade-kernel-abi-stablelists
  • huawei-euleros-2_0_sp11-upgrade-kernel-tools
  • huawei-euleros-2_0_sp11-upgrade-kernel-tools-libs
  • huawei-euleros-2_0_sp11-upgrade-python3-perf

References

  • https://attackerkb.com/topics/cve-2024-27431
  • CVE - 2024-27431
  • EulerOS-SA-2024-2207
  • 查看数 698
  • 已创建
  • 最后回复

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