PT-2021-8158 · Linux+3 · Linux Kernel+3

Guo Zhi · Published 2021-10-04 · Updated 2024-10-25 · CVE-2021-47216

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 kernel pointer leak in the advansys component of the Linux kernel. This leak occurs due to incorrect printing of pointers, which should be printed with %p or %px instead of being cast to 'unsigned long' and printed with %lx. The exploitation of this issue may allow an attacker to cause a denial of service.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-09144

CVE-2021-47216

OESA-2024-1567

OESA-2024-1568

OPENSUSE-SU-2024_1641-1

OPENSUSE-SU-2024_1642-1

OPENSUSE-SU-2024_1644-1

OPENSUSE-SU-2024_1659-1

OPENSUSE-SU-2024_1663-1

SUSE-SU-2024:1641-1

SUSE-SU-2024:1642-1

SUSE-SU-2024:1643-1

SUSE-SU-2024:1644-1

SUSE-SU-2024:1645-1

SUSE-SU-2024:1646-1

SUSE-SU-2024:1647-1

SUSE-SU-2024:1659-1

SUSE-SU-2024:1663-1

SUSE-SU-2024:1870-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 871

• 🔥 https://github.com/MaherAzzouzi/CVE-2024-26817-amdkfd · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2024:1646-1 · Vendor Advisory
• https://git.kernel.org/stable/c/5612287991debe310c914600599bd59511ababfb · Patch
• https://git.kernel.org/stable/c/cc248790bfdcf879e3094fa248c85bf92cdf9dae · Patch
• https://git.kernel.org/stable/c/055eced3edf5b675d12189081303f6285ef26511 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1870-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46929 · Security Note
• https://git.kernel.org/stable/c/d4996c6eac4c81b8872043e9391563f67f13e406 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1644-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-26752 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-47216 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47216 · Vendor Advisory
• https://git.kernel.org/stable/c/27490ae6a85a70242d80615ca74d0362a820d6a7 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:1643-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47203 · Security Note