PT-2024-11437 · Linux+2 · Linux Kernel+2

Ziyang Xuan

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Published

2021-10-13

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Updated

2025-01-07

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CVE-2021-47442

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A memory leak issue has been identified in the Linux kernel, specifically in the NFC digital component. The issue arises when skb is allocated in digital in send sdd req() but not freed when digital in send cmd() fails. This can cause a memory leak. The fix involves freeing skb if digital in send cmd() returns a failure.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

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Weakness Enumeration

Related Identifiers

BDU:2025-03659
CVE-2021-47442
OESA-2024-1692
OPENSUSE-SU-2024_2185-1
OPENSUSE-SU-2024_2189-1
SUSE-SU-2024:2008-1
SUSE-SU-2024:2010-1
SUSE-SU-2024:2011-1
SUSE-SU-2024:2019-1
SUSE-SU-2024:2183-1
SUSE-SU-2024:2185-1
SUSE-SU-2024:2189-1
SUSE-SU-2024:2190-1

Affected Products

Astra Linux
Linux Kernel
Suse