PT-2024-11478 · Linux+3 · Linux Kernel+3

Benjamin Tissoires · Published 2021-12-02 · Updated 2024-08-19 · CVE-2021-47522

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 null pointer dereference in the HID bigbenff module when emulating a device through uhid. There is a chance that output reports are not available, resulting in a null report field.

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

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2025-14241

CVE-2021-47522

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

Red Os

Suse

References · 1437

• 🔥 https://github.com/lanleft/CVE-2023-1829 · Exploit
• https://git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e · Patch
• https://cve.org/CVERecord?id=CVE-2021-47522 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47522 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47522 · Security Note
• https://git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7 · Patch
• https://osv.dev/vulnerability/CVE-2021-47522 · Vendor Advisory
• https://git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd · Patch
• https://ubuntu.com/security/CVE-2021-47522 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2010-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47522 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2011-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47522 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2190-1 · Vendor Advisory