In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL pointer bug in svm_range_set_attr The process_info could be… (CVE-2026-63882)
A NULL pointer bug in the Linux kernel's drm/amdkfd component was fixed in the svm_range_set_attr function. The issue arises because process_info could be NULL if the user does not call kfd_ioctl_acquire_vm before kfd_ioctl_svm. This vulnerability has been resolved by a patch that corrects this behavior.
AI Analysis
Technical Summary
The vulnerability in the Linux kernel involves a NULL pointer dereference in the drm/amdkfd subsystem within the svm_range_set_attr function. This occurs when process_info is NULL due to the absence of a prior call to kfd_ioctl_acquire_vm before invoking kfd_ioctl_svm. The issue was addressed by a commit that fixes the NULL pointer bug, preventing potential kernel crashes or undefined behavior.
Potential Impact
The impact of this vulnerability is a potential NULL pointer dereference in kernel code, which could lead to kernel crashes or instability. There is no information about exploitation in the wild or further impact such as privilege escalation or data corruption.
Mitigation Recommendations
A fix for this vulnerability has been applied in the Linux kernel source code as indicated by the referenced commit. Users and administrators should update their Linux kernel to a version that includes this fix. Patch status is not explicitly confirmed in the input, so check the vendor or kernel maintainers' advisories for the exact fixed versions and apply updates accordingly.
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix NULL pointer bug in svm_range_set_attr The process_info could be… (CVE-2026-63882)
Description
A NULL pointer bug in the Linux kernel's drm/amdkfd component was fixed in the svm_range_set_attr function. The issue arises because process_info could be NULL if the user does not call kfd_ioctl_acquire_vm before kfd_ioctl_svm. This vulnerability has been resolved by a patch that corrects this behavior.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in the Linux kernel involves a NULL pointer dereference in the drm/amdkfd subsystem within the svm_range_set_attr function. This occurs when process_info is NULL due to the absence of a prior call to kfd_ioctl_acquire_vm before invoking kfd_ioctl_svm. The issue was addressed by a commit that fixes the NULL pointer bug, preventing potential kernel crashes or undefined behavior.
Potential Impact
The impact of this vulnerability is a potential NULL pointer dereference in kernel code, which could lead to kernel crashes or instability. There is no information about exploitation in the wild or further impact such as privilege escalation or data corruption.
Mitigation Recommendations
A fix for this vulnerability has been applied in the Linux kernel source code as indicated by the referenced commit. Users and administrators should update their Linux kernel to a version that includes this fix. Patch status is not explicitly confirmed in the input, so check the vendor or kernel maintainers' advisories for the exact fixed versions and apply updates accordingly.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-vf7c-595g-hm5x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-63882"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a5d27ab2a4a8d598912ffc0
Added to database: 07/19/2026, 19:38:19 UTC
Last enriched: 07/19/2026, 20:12:36 UTC
Last updated: 07/20/2026, 17:26:47 UTC
Views: 11
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