CVE-2022-49023

wifi: cfg80211: fix buffer overflow in elem comparison

State: Published
Severity: 7.1 High
Published: Oct 21, 2024
Updated: Aug 5, 2026
Reserved: Aug 22, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before f5c2ec288a865dbe3706b09bed12302e9f6d696bAffected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 9e6b79a3cd17620d467311b30d56f2648f6880aaAffected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 88a6fe3707888bd1893e9741157a7035c4159ab6Affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 391cb872553627bdcf236c03ee7d5adb275e37e1Affected 0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 9f16b5c82a025cd4c864737409234ddc44fb166aAffected
LinuxLinux	5.1Affected before 5.1Not affected 5.4.226 through 5.4.Not affected 5.10.158 through 5.10.Not affected 5.15.82 through 5.15.Not affected 6.0.12 through 6.0.Not affected 6.1 and laterNot affected

Product

Versions

LinuxLinux

0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before f5c2ec288a865dbe3706b09bed12302e9f6d696bAffected
0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 9e6b79a3cd17620d467311b30d56f2648f6880aaAffected
0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 88a6fe3707888bd1893e9741157a7035c4159ab6Affected
0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 391cb872553627bdcf236c03ee7d5adb275e37e1Affected
0b8fb8235be8be99a197e8d948fc0a2df8dc261a to before 9f16b5c82a025cd4c864737409234ddc44fb166aAffected

LinuxLinux

5.1Affected
before 5.1Not affected
5.4.226 through 5.4.*Not affected
5.10.158 through 5.10.*Not affected
5.15.82 through 5.15.*Not affected
6.0.12 through 6.0.*Not affected
6.1 and laterNot affected

References

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