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THREATINT
PUBLISHED

CVE-2021-47420

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



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!

Reserved 2024-05-21 | Published 2024-05-21 | Updated 2024-12-19 | Assigner Linux

Product status

Default status
unaffected

264fb4d332f5e76743818480e482464437837c52 before 7e5ce6029b627efb4a004746cfdc1eeff850e6eb
affected

264fb4d332f5e76743818480e482464437837c52 before b072ef1215aca33186e3a10109e872e528a9e516
affected

Default status
affected

5.14
affected

Any version before 5.14
unaffected

5.14.12
unaffected

5.15
unaffected

References

git.kernel.org/...c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb

git.kernel.org/...c/b072ef1215aca33186e3a10109e872e528a9e516

cve.org (CVE-2021-47420)

nvd.nist.gov (CVE-2021-47420)

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