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PUBLISHED

CVE-2021-47420

drm/amdkfd: fix a potential ttm->sg memory leak

Reserved:2024-05-21
Published:2024-05-21
Updated:2024-06-11

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix a potential ttm->sg memory leak Memory is allocated for ttm->sg by kmalloc in kfd_mem_dmamap_userptr, but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!

Product status

Default status
unaffected

264fb4d332f5 before 7e5ce6029b62
affected

264fb4d332f5 before b072ef1215ac
affected

Default status
affected

5.14
affected

Any version before 5.14
unaffected

5.14.12
unaffected

5.15
unaffected

References

https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb

https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516

cve.org CVE-2021-47420

nvd.nist.gov CVE-2021-47420

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