CVE-2026-31390
Memory Leak in Linux Kernel drm/xe Component Fixed
Publication date: 2026-04-03
Last updated on: 2026-05-26
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | 7.0 |
| linux | linux_kernel | From 6.19 (inc) to 6.19.10 (exc) |
| linux | linux_kernel | From 6.18 (inc) to 6.18.20 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-401 | The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a memory leak in the Linux kernel's drm/xe component, specifically in the xe_vm_madvise_ioctl function.
The issue occurs when the function check_bo_args_are_sane() fails validation. In this error path, allocated resources were not properly freed, leading to a memory leak.
The fix involves jumping to a new cleanup label called free_vmas to ensure that allocated resources are properly freed when validation fails.
How can this vulnerability impact me? :
A memory leak in the kernel can lead to increased memory usage over time, potentially causing system instability or degraded performance.
If exploited or triggered repeatedly, it could exhaust system memory resources, possibly leading to crashes or denial of service conditions.