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Huawei EulerOS: CVE-2024-43854: kernel security update

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Huawei EulerOS: CVE-2024-43854: kernel security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
08/17/2024
Created
12/13/2024
Added
12/12/2024
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved: block: initialize integrity buffer to zero before writing it to media Metadata added by bio_integrity_prep is using plain kmalloc, which leads to random kernel memory being written media.For PI metadata this is limited to the app tag that isn't used by kernel generated metadata, but for non-PI metadata the entire buffer leaks kernel memory. Fix this by adding the __GFP_ZERO flag to allocations for writes.

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-2024-43854
  • CVE - 2024-43854
  • EulerOS-SA-2024-2983
  • 查看数 693
  • 已创建
  • 最后回复

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