CVE-2024-41008: drm/amdgpu: change vm->task_info handling
First published: Tue Jul 16 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm->task_info handling This patch changes the handling and lifecycle of vm->task_info object. The major changes are: - vm->task_info is a dynamically allocated ptr now, and its uasge is reference counted. - introducing two new helper funcs for task_info lifecycle management - amdgpu_vm_get_task_info: reference counts up task_info before returning this info - amdgpu_vm_put_task_info: reference counts down task_info - last put to task_info() frees task_info from the vm. This patch also does logistical changes required for existing usage of vm->task_info. V2: Do not block all the prints when task_info not found (Felix) V3: Fixed review comments from Felix - Fix wrong indentation - No debug message for -ENOMEM - Add NULL check for task_info - Do not duplicate the debug messages (ti vs no ti) - Get first reference of task_info in vm_init(), put last in vm_fini() V4: Fixed review comments from Felix - fix double reference increment in create_task_info - change amdgpu_vm_get_task_info_pasid - additional changes in amdgpu_gem.c while porting
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.9 | 6.9 |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://git.kernel.org/stable/c/b8f67b9ddf4f8fe6dd536590712b5912ad78f99c
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2298381
- https://access.redhat.com/errata/RHSA-2024:7001
- https://access.redhat.com/errata/RHSA-2024:7000
- https://access.redhat.com/errata/RHSA-2024:9315
- https://access.redhat.com/errata/RHSA-2024:10771
- https://bugzilla.redhat.com/show_bug.cgi?id=2298079
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-41008?
CVE-2024-41008 has been classified with high severity due to its potential implications on system stability and security.
How do I fix CVE-2024-41008?
To resolve CVE-2024-41008, update the Linux kernel package to version 6.9 or later.
What software is affected by CVE-2024-41008?
CVE-2024-41008 affects the Linux kernel versions prior to 6.9.
What does CVE-2024-41008 impact?
CVE-2024-41008 impacts the handling and lifecycle of the vm->task_info object within the Linux kernel.
Is there a patch available for CVE-2024-41008?
Yes, a patch for CVE-2024-41008 is included in the updated kernel version 6.9 and later.
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