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Red Hat: CVE-2023-52667: kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (Multiple Advisories)

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Red Hat: CVE-2023-52667: kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
05/17/2024
Created
06/14/2024
Added
06/13/2024
Modified
01/13/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix a potential double-free in fs_any_create_groups When kcalloc() for ft->g succeeds but kvzalloc() for in fails, fs_any_create_groups() will free ft->g. However, its caller fs_any_create_table() will free ft->g again through calling mlx5e_destroy_flow_table(), which will lead to a double-free. Fix this by setting ft->g to NULL in fs_any_create_groups().

Solution(s)

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

References

  • CVE-2023-52667
  • RHSA-2024:3854
  • RHSA-2024:3855
  • RHSA-2024:4211
  • RHSA-2024:4349
  • RHSA-2024:4352
  • RHSA-2024:4740
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