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CVE-2024-27434

wifi: iwlwifi: mvm: don't set the MFP flag for the GTK

MEDIUM
5.5
CVSS Score
Published: May 17, 2024 at 12:08 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: don't set the MFP flag for the GTK The firmware doesn't need the MFP flag for the GTK, it can even make the firmware crash. in case the AP is configured with: group cipher TKIP and MFPC. We would send the GTK with cipher = TKIP and MFP which is of course not possible.

Affected

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

Linux Kernel· Linux
95%
6.2 ≤ v < 6.6.236.2 ≤ v < 6.7.116.2 ≤ v < 6.8.26.2 ≤ v < 6.96.7 ≤ v < 6.7.116.8 ≤ v < 6.8.25c75a208c2449c6ea24f07610cc052f6a352246c6.2
Vendor states this is fixed in 40405cbb20eb6541c603e7b3d54ade0a7be9d715 (fixed)
Vendor states this is fixed in 60f6d5fc84a9fd26528a24d8a267fc6a6698b628 (fixed)
Vendor states this is fixed in b4f1b0b3b91762edd19bf9d3b2e4c3a0740501f8 (fixed)
Vendor states this is fixed in e35f316bce9e5733c9826120c1838f4c447b2c4c (fixed)
Vendor states this is fixed in 6.2 (unaffected)
Vendor states this is fixed in 6.6.23 (unaffected)
Vendor states this is fixed in 6.7.11 (unaffected)
Vendor states this is fixed in 6.8.2 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/40405cbb20eb6541c603e7b3d54ade0a7be9d715
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/60f6d5fc84a9fd26528a24d8a267fc6a6698b628
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b4f1b0b3b91762edd19bf9d3b2e4c3a0740501f8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e35f316bce9e5733c9826120c1838f4c447b2c4c

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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