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 in kfd_mem_dmamap_userptr, but isn't freed by kfree in kfd_mem_dmaunmap_userptr. Free it!

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb	Patch
https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516	Patch
https://git.kernel.org/stable/c/7e5ce6029b627efb4a004746cfdc1eeff850e6eb	Patch
https://git.kernel.org/stable/c/b072ef1215aca33186e3a10109e872e528a9e516	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.15:rc4::::::

History

No history.

Information

Published : 2024-05-21 15:15

Updated : 2024-12-30 19:37

NVD link : CVE-2021-47420

Mitre link : CVE-2021-47420

CVE.ORG link : CVE-2021-47420

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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