cbcvebase.
CVE-2021-47420
published 2024-05-21

CVE-2021-47420: 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…

PriorityP416medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.19%
9.3th percentile
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!

Affected

9 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.14.12-1 (bookworm)linux 5.14.12-1 (bookworm)
linuxlinux
linuxlinux>= 264fb4d332f5e76743818480e482464437837c52 < 7e5ce6029b627efb4a004746cfdc1eeff850e6eb7e5ce6029b627efb4a004746cfdc1eeff850e6eb
linuxlinux>= 264fb4d332f5e76743818480e482464437837c52 < b072ef1215aca33186e3a10109e872e528a9e516b072ef1215aca33186e3a10109e872e528a9e516
linuxlinux_kernel
linuxlinux_kernel>= 0 < 5.14.12-15.14.12-1
linuxlinux_kernel>= 0 < 5.14.12-15.14.12-1
linuxlinux_kernel>= 0 < 5.14.12-15.14.12-1
linuxlinux_kernel>= 5.14 < 5.14.125.14.12

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.