PT-2024-11346 · Linux+2 · Linux Kernel+2

Lee Gibson · Published 2021-06-15 · Updated 2025-04-02 · CVE-2021-47347

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A possible buffer overflow in the wl1251 cmd scan function has been resolved. The function calls memcpy without checking the length, which can lead to a buffer overflow. To harden the function, the length is checked to ensure it is within the maximum allowed size.

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

Heap Based Buffer Overflow

Buffer Overflow

Weakness Enumeration

CWE-122

CWE-120

Related Identifiers

BDU:2025-07311

CVE-2021-47347

OESA-2024-1767

OPENSUSE-SU-2024_2185-1

SUSE-SU-2024:1978-1

SUSE-SU-2024:1979-1

SUSE-SU-2024:1983-1

SUSE-SU-2024:2010-1

SUSE-SU-2024:2183-1

SUSE-SU-2024:2184-1

SUSE-SU-2024:2185-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 718

• https://git.kernel.org/stable/c/d71dddeb5380613f9ef199f3e7368fd78fb1a46e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47493 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1983-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-38552 · Security Note
• https://git.kernel.org/stable/c/115103f6e3f1c26c473766c16439c7c8b235529a · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-48756 · Security Note
• https://git.kernel.org/stable/c/c5e4a10d7bd5d4f419d8b9705dff60cf69b302a1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-47609 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47597 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-47346 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:1979-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-47434 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-36971 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52834 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-47347 · Vendor Advisory