CVE-2021-47057

low-risk
Published 2024-02-29

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by adding a new error return label and jumping to this to ensure d is free'd before the return. Addresses-Coverity: ("Resource leak")

Do I need to act?

-
0.02% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (8)

Patch https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781
Patch https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d
Patch https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e
Patch https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410
Patch https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781
Patch https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d
Patch https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e
Patch https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal