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CVE-2024-50008

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.323, 5.4.285, 5.10.227, 5.15.168, 6.1.113, and 3 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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]

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 21f58d200388480547df909b5464b5aafebf299d · fixed in b55c8848fdc81514ec047b2a0ec782ffe9ab5323; From 21f58d200388480547df909b5464b5aafebf299d · fixed in f9310a6704bf52e2493480edea896e1f9b795d40; From 21f58d200388480547df909b5464b5aafebf299d · fixed in 1756918f51e9ab247a0f4782cc28853c2bb457c1; From 21f58d200388480547df909b5464b5aafebf299d · fixed in e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe; From 21f58d200388480547df909b5464b5aafebf299d · fixed in 17199b69a84798efffc475040fbef44374ef1de1; From 21f58d200388480547df909b5464b5aafebf299d · fixed in fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc; From 21f58d200388480547df909b5464b5aafebf299d · fixed in 71267bd4e8c752d7af6c6b96bb83984a6a95273d; From 21f58d200388480547df909b5464b5aafebf299d · fixed in a3a12c30f9510f3753286fadbc6cdb7dad78c1d5; From 21f58d200388480547df909b5464b5aafebf299d · fixed in 498365e52bebcbc36a93279fe7e9d6aec8479cee

  • Linux Linux

    3.15

  • KernelLinux

    From 3.15.0 · fixed in 4.19.323; From 4.20.0 · fixed in 5.4.285; From 5.5.0 · fixed in 5.10.227; From 5.11.0 · fixed in 5.15.168; From 5.16.0 · fixed in 6.1.113; From 6.2.0 · fixed in 6.6.55; From 6.7.0 · fixed in 6.10.14; From 6.11.0 · fixed in 6.11.3

References 9

git.kernel.org