CVE-2021-47057

crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map

State: Published
Severity: 5.5 Medium
Published: Feb 29, 2024
Updated: May 11, 2026
Reserved: Feb 29, 2024

Description

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")

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
LinuxLinux	ac2614d721dea2ff273af19c6c5d508d58a2bb3e to before 617ec35ed51f731a593ae7274228ef2cfc9cb781Affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e to before e1f2d739849c3239df1ea3f97d40bade4b808410Affected ac2614d721dea2ff273af19c6c5d508d58a2bb3e to before 6516cb852d704ff8d615de1f93cd443a99736c3dAffected ac2614d721dea2ff273af19c6c5d508d58a2bb3e to before 98b5ef3e97b16eaeeedb936f8bda3594ff84a70eAffected
LinuxLinux	5.10Affected before 5.10Not affected 5.10.37 through 5.10.Not affected 5.11.21 through 5.11.Not affected 5.12.4 through 5.12.*Not affected 5.13 and laterNot affected

References

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