CVE-2022-49023

wifi: cfg80211: fix buffer overflow in elem comparison

HIGH
7.8
CVSS Score
Published: October 21, 2024 at 08:06 PM UTC
Updated: August 5, 2026 at 09:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.1 ≤ v < 5.10.1585.1 ≤ v < 5.15.825.1 ≤ v < 5.4.2265.1 ≤ v < 6.0.125.1 ≤ v < 6.15.11 ≤ v < 5.15.825.16 ≤ v < 6.0.125.5 ≤ v < 5.10.1580b8fb8235be8be99a197e8d948fc0a2df8dc261a6.1 rc16.1 rc26.1 rc36.1 rc46.1 rc56.1 rc66.1 rc7
Vendor states this is fixed in 391cb872553627bdcf236c03ee7d5adb275e37e1 (fixed)
Vendor states this is fixed in 88a6fe3707888bd1893e9741157a7035c4159ab6 (fixed)
Vendor states this is fixed in 9e6b79a3cd17620d467311b30d56f2648f6880aa (fixed)
Vendor states this is fixed in 9f16b5c82a025cd4c864737409234ddc44fb166a (fixed)
Vendor states this is fixed in f5c2ec288a865dbe3706b09bed12302e9f6d696b (fixed)
Vendor states this is fixed in 5.1 (unaffected)
Vendor states this is fixed in 5.10.158 (unaffected)
Vendor states this is fixed in 5.15.82 (unaffected)
Vendor states this is fixed in 5.4.226 (unaffected)
Vendor states this is fixed in 6.0.12 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/391cb872553627bdcf236c03ee7d5adb275e37e1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/88a6fe3707888bd1893e9741157a7035c4159ab6
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9e6b79a3cd17620d467311b30d56f2648f6880aa
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9f16b5c82a025cd4c864737409234ddc44fb166a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f5c2ec288a865dbe3706b09bed12302e9f6d696b

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-120

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