CVE-2024-56742: vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()
In the Linux kernel, the following vulnerability has been resolved:
vfio/mlx5: Fix an unwind issue in mlx5vfaddmigrationpages()
Fix an unwind issue in mlx5vfaddmigrationpages().
If a set of pages is allocated but fails to be added to the SG table, they need to be freed to prevent a memory leak.
Any pages successfully added to the SG table will be freed as part of mlx5vffreedatabuffer().
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56742?
The severity of CVE-2024-56742 is identified as moderate due to its potential impact on the Linux kernel's functionality.
How do I fix CVE-2024-56742?
To fix CVE-2024-56742, update the Linux kernel to a version beyond 6.12.2 or apply the appropriate patches provided in the kernel's official repository.
What systems are affected by CVE-2024-56742?
CVE-2024-56742 affects Linux kernel versions from 5.18 up to 6.11.11 and from 6.12 to 6.12.2.
What is the impact of exploiting CVE-2024-56742?
Exploiting CVE-2024-56742 could lead to issues in memory management within the kernel during the migration of pages.
When was CVE-2024-56742 resolved?
CVE-2024-56742 was resolved with patches introduced to the Linux kernel following its identification.