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CVE-2021-47057

MEDIUM
Published 2024-02-29T22:37:32.216Z
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CVSS Score

V3.1
5.5
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.178
Higher than 17.8% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

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")

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Linux

Linux

Affected Versions:

ac2614d721dea2ff273af19c6c5d508d58a2bb3e ac2614d721dea2ff273af19c6c5d508d58a2bb3e ac2614d721dea2ff273af19c6c5d508d58a2bb3e ac2614d721dea2ff273af19c6c5d508d58a2bb3e
Linux

Linux

Affected Versions:

5.10 0 5.10.37 5.11.21 5.12.4 5.13

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-m647-h22j-v38q

Advisory Details

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")

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-47057
WEB https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781
WEB https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d
WEB https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e
WEB https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410

Advisory provided by GitHub Security Advisory Database. Published: March 1, 2024, Modified: November 6, 2024

References

https://git.kernel.org/stable/c/617ec35ed51f731a593ae7274228ef2cfc9cb781
https://git.kernel.org/stable/c/e1f2d739849c3239df1ea3f97d40bade4b808410
https://git.kernel.org/stable/c/6516cb852d704ff8d615de1f93cd443a99736c3d
https://git.kernel.org/stable/c/98b5ef3e97b16eaeeedb936f8bda3594ff84a70e
Published: 2024-02-29T22:37:32.216Z
Last Modified: 2025-05-04T07:03:19.320Z
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