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Huawei EulerOS: CVE-2024-50142: kernel security update

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Huawei EulerOS: CVE-2024-50142: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/07/2024
Created
02/12/2025
Added
02/11/2025
Modified
02/11/2025

Description

In the Linux kernel, the following vulnerability has been resolved: xfrm: validate new SA's prefixlen using SA family when sel.family is unset This expands the validation introduced in commit 07bf7908950a ("xfrm: Validate address prefix lengths in the xfrm selector.") syzbot created an SA with usersa.sel.family = AF_UNSPEC usersa.sel.prefixlen_s = 128 usersa.family = AF_INET Because of the AF_UNSPEC selector, verify_newsa_info doesn't put limits on prefixlen_{s,d}. But then copy_from_user_state sets x->sel.family to usersa.family (AF_INET). Do the same conversion in verify_newsa_info before validating prefixlen_{s,d}, since that's how prefixlen is going to be used later on.

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-2024-50142
  • CVE - 2024-50142
  • EulerOS-SA-2025-1159
  • 查看数 693
  • 已创建
  • 最后回复

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