Required CVE Record Information
Description
In the Linux kernel, the following vulnerability has been resolved: nouveau/dmem: handle kcalloc() allocation failure The kcalloc() in nouveau_dmem_evict_chunk() will return null if the physical memory has run out. As a result, if we dereference src_pfns, dst_pfns or dma_addrs, the null pointer dereference bugs will happen. Moreover, the GPU is going away. If the kcalloc() fails, we could not evict all pages mapping a chunk. So this patch adds a __GFP_NOFAIL flag in kcalloc(). Finally, as there is no need to have physically contiguous memory, this patch switches kcalloc() to kvcalloc() in order to avoid failing allocations.
Product Status
Learn moreVersions 5 Total
Default Status: unaffected
affected
Versions 7 Total
Default Status: affected
affected
unaffected
References 5 Total
- https://git.kernel.org/stable/c/9acfd8b083a0ffbd387566800d89f55058a68af2
- https://git.kernel.org/stable/c/2a84744a037b8a511d6a9055f3defddc28ff4a4d
- https://git.kernel.org/stable/c/5e81773757a95fc298e96cfd6d4700f07b6192a2
- https://git.kernel.org/stable/c/3e82f7383e0b82a835e6b6b06a348b2bc4e2c2ee
- https://git.kernel.org/stable/c/16e87fe23d4af6df920406494ced5c0f4354567b
Updated:
This container includes required additional information provided by the CVE Program for this vulnerability.
References 5 Total
- https://git.kernel.org/stable/c/9acfd8b083a0ffbd387566800d89f55058a68af2 x_transferred
- https://git.kernel.org/stable/c/2a84744a037b8a511d6a9055f3defddc28ff4a4d x_transferred
- https://git.kernel.org/stable/c/5e81773757a95fc298e96cfd6d4700f07b6192a2 x_transferred
- https://git.kernel.org/stable/c/3e82f7383e0b82a835e6b6b06a348b2bc4e2c2ee x_transferred
- https://git.kernel.org/stable/c/16e87fe23d4af6df920406494ced5c0f4354567b x_transferred