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Red Hat: CVE-2024-47675: kernel: bpf: Fix use-after-free in bpf_uprobe_multi_link_attach() (Multiple Advisories)

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Red Hat: CVE-2024-47675: kernel: bpf: Fix use-after-free in bpf_uprobe_multi_link_attach() (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
10/21/2024
Created
02/11/2025
Added
02/10/2025
Modified
02/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in bpf_uprobe_multi_link_attach() If bpf_link_prime() fails, bpf_uprobe_multi_link_attach() goes to the error_free label and frees the array of bpf_uprobe's without calling bpf_uprobe_unregister(). This leaks bpf_uprobe->uprobe and worse, this frees bpf_uprobe->consumer without removing it from the uprobe->consumers list.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2024-47675
  • RHSA-2024:10942
  • RHSA-2024:11486
  • 查看数 693
  • 已创建
  • 最后回复

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