PT-2025-8339 · Linux+1 · Linux Kernel+1

Denis Efremov · Published 2022-05-19 · Updated 2025-03-01 · CVE-2022-49405

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 A vulnerability in the Linux kernel has been identified, specifically in the staging driver r8188eu. The issue is related to the function rtw wx set scan(), where there is a potential for writing beyond the end of the ->Ssid array. Although there is a check in place to prevent read overflow, an additional check is necessary to prevent write overflow.

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

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2026-03873

CVE-2022-49405

Affected Products

Astra Linux

Linux Kernel

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49405.json · Exploit
• https://git.kernel.org/stable/c/c4bd6b72df4f01aa866ceb298466d6d07a6bd525 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49405 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-49405 · Vendor Advisory
• https://git.kernel.org/stable/c/bc10916e890948d8927a5c8c40fb5dc44be5e1b8 · Patch
• https://git.kernel.org/stable/c/476bfda0be0f9669add92bff604ca78226cf53d1 · Patch
• https://cve.org/CVERecord?id=CVE-2022-49405 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49405 · Vendor Advisory
• https://git.kernel.org/stable/c/ac2eab7de458f5e1210ce1237afab40a307075c8 · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-49405 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03873 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49405 · Security Note
• https://ubuntu.com/security/CVE-2022-49405 · Vendor Advisory
• https://lore.kernel.org/linux-cve-announce/2025022651-CVE-2022-49405-7627@gregkh · Note
• https://git.kernel.org/linus/bc10916e890948d8927a5c8c40fb5dc44be5e1b8 · Note