PT-2021-8004 · Linux · Linux Kernel

Dan Carpenter · Published 2021-03-07 · Updated 2024-12-10 · CVE-2021-47059

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV: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 The issue is related to a memory leak in the sun8i-ss crypto driver of the Linux kernel. This memory leak occurs on an error path and can be exploited by a remote attacker to cause a denial of service. The vulnerability is caused by incorrect memory release before the removal of the last reference.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-01755

CVE-2021-47059

Affected Products

Linux Kernel

References · 21

• https://bdu.fstec.ru/vul/2024-01755 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47059 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47059 · Vendor Advisory
• https://git.kernel.org/stable/c/50e7b39b808430ad49a637dc6fb72ca93b451b13 · Patch
• https://git.kernel.org/stable/c/1f12aaf07f61122cf5074d29714ee26f8d44b0e7 · Patch
• https://ubuntu.com/security/CVE-2021-47059 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47059 · Vendor Advisory
• https://git.kernel.org/stable/c/1dbc6a1e25be8575d6c4114d1d2b841a796507f7 · Patch
• https://git.kernel.org/stable/c/ca065a93699f8cf3f42c60eefed73086007e928e · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47059 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-47059 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47059 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2267177 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47059 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37 · Note