CVE-2024-50008

wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 06:54 PM UTC
Updated: October 15, 2026 at 01:19 AM UTC
2 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFP

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext() Replace one-element array with a flexible-array member in `struct host_cmd_ds_802_11_scan_ext`. With this, fix the following warning: elo 16 17:51:58 surfacebook kernel: ------------[ cut here ]------------ elo 16 17:51:58 surfacebook kernel: memcpy: detected field-spanning write (size 243) of single field "ext_scan->tlv_buffer" at drivers/net/wireless/marvell/mwifiex/scan.c:2239 (size 1) elo 16 17:51:58 surfacebook kernel: WARNING: CPU: 0 PID: 498 at drivers/net/wireless/marvell/mwifiex/scan.c:2239 mwifiex_cmd_802_11_scan_ext+0x83/0x90 [mwifiex]

Affected

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

All versionsv < 5.10.2275.11 ≤ v < 5.15.1685.16 ≤ v < 6.1.1136.11 ≤ v < 6.11.36.2 ≤ v < 6.6.556.7 ≤ v < 6.10.1421f58d200388480547df909b5464b5aafebf299d3.15
Vendor states this is fixed in 17199b69a84798efffc475040fbef44374ef1de1 (fixed)
Vendor states this is fixed in 1756918f51e9ab247a0f4782cc28853c2bb457c1 (fixed)
Vendor states this is fixed in 498365e52bebcbc36a93279fe7e9d6aec8479cee (fixed)
Vendor states this is fixed in 71267bd4e8c752d7af6c6b96bb83984a6a95273d (fixed)
Vendor states this is fixed in a3a12c30f9510f3753286fadbc6cdb7dad78c1d5 (fixed)
Vendor states this is fixed in b55c8848fdc81514ec047b2a0ec782ffe9ab5323 (fixed)
Vendor states this is fixed in e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe (fixed)
Vendor states this is fixed in f9310a6704bf52e2493480edea896e1f9b795d40 (fixed)
Vendor states this is fixed in fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc (fixed)
Vendor states this is fixed in 3.15 (unaffected)
Vendor states this is fixed in 4.19.323 (unaffected)
Vendor states this is fixed in 5.10.227 (unaffected)
Vendor states this is fixed in 5.15.168 (unaffected)
Vendor states this is fixed in 5.4.285 (unaffected)
Vendor states this is fixed in 6.1.113 (unaffected)
Vendor states this is fixed in 6.10.14 (unaffected)
Vendor states this is fixed in 6.11.3 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.6.55 (unaffected)

References (13)

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
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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