CVE-2021-47420

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

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!

Vendor	Product	Versions
Linux	Linux	affected `264fb4d332f5e76743818480e482464437837c52 - < 7e5ce6029b627efb4a004746cfdc1eeff850e6eb` affected `264fb4d332f5e76743818480e482464437837c52 - < b072ef1215aca33186e3a10109e872e528a9e516`
Linux	Linux	affected `5.14` unaffected `0 - < 5.14` unaffected `5.14.12 - <= 5.14.` unaffected `5.15 - <= `

References

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

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

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CVE-2021-47420

Description

Affected Products

References