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CVE-2024-56742

vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()

MEDIUM
5.5
CVSS Score
Published: December 29, 2024 at 11:30 AM UTC
Updated: October 30, 2026 at 01:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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().

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.18 ≤ v < 6.11.116.12 ≤ v < 6.12.25.186fadb021266d03c5fd7bca2cfa1607efd246dad1
Vendor states this is fixed in 22e87bf3f77c18f5982c19ffe2732ef0c7a25f16 (fixed)
Vendor states this is fixed in 769fe4ce444b646b0bf6ac308de80686c730c7df (fixed)
Vendor states this is fixed in c44f1b2ddfa81c8d7f8e9b6bc76c427bc00e69d5 (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 6.11.11 (unaffected)
Vendor states this is fixed in 6.12.2 (unaffected)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/22e87bf3f77c18f5982c19ffe2732ef0c7a25f16
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/769fe4ce444b646b0bf6ac308de80686c730c7df
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c44f1b2ddfa81c8d7f8e9b6bc76c427bc00e69d5
Source: cverecord
https://git.kernel.org/stable/c/465e06ffbb681f6fe34ca3aeba4b609677c3d4c1
Source: cverecord
https://git.kernel.org/stable/c/549384162ed7e84bdefa004b589215d18b0190c5

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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