CVE-2024-56742: vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()
First published: Sun Dec 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages() Fix an unwind issue in mlx5vf_add_migration_pages(). 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 mlx5vf_free_data_buffer().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.18<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 | |
| debian/linux | <=6.1.123-1<=6.1.128-1 | 5.10.223-1 5.10.226-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/769fe4ce444b646b0bf6ac308de80686c730c7df
- https://git.kernel.org/stable/c/c44f1b2ddfa81c8d7f8e9b6bc76c427bc00e69d5
- https://git.kernel.org/stable/c/22e87bf3f77c18f5982c19ffe2732ef0c7a25f16
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56742
- https://nvd.nist.gov/vuln/detail/CVE-2024-56742
- https://launchpad.net/bugs/cve/CVE-2024-56742
- https://security-tracker.debian.org/tracker/CVE-2024-56742
- https://ubuntu.com/security/CVE-2024-56742
- https://git.kernel.org/linus/22e87bf3f77c18f5982c19ffe2732ef0c7a25f16
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.
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