CVE-2022-49023 Information

Description

In the Linux kernel the following vulnerability has been resolved:

wifi: cfg80211: fix buffer overflow in elem comparison

For vendor elements the code here assumes that 5 octets are present without checking. Since the element itself is already checked to fit we only need to check the length.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://git.kernel.org/stable/c/f5c2ec288a865dbe3706b09bed12302e9f6d696b https://git.kernel.org/stable/c/9e6b79a3cd17620d467311b30d56f2648f6880aa https://git.kernel.org/stable/c/88a6fe3707888bd1893e9741157a7035c4159ab6 https://git.kernel.org/stable/c/391cb872553627bdcf236c03ee7d5adb275e37e1 https://git.kernel.org/stable/c/9f16b5c82a025cd4c864737409234ddc44fb166a

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8