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]
Fix
Patch, vendor advisory and mitigation references on NVD 7
- https://git.kernel.org/stable/c/17199b69a84798efffc475040fbef44374ef1de1 Patch
- https://git.kernel.org/stable/c/1756918f51e9ab247a0f4782cc28853c2bb457c1 Patch
- https://git.kernel.org/stable/c/498365e52bebcbc36a93279fe7e9d6aec8479cee Patch
- https://git.kernel.org/stable/c/71267bd4e8c752d7af6c6b96bb83984a6a95273d Patch
- https://git.kernel.org/stable/c/a3a12c30f9510f3753286fadbc6cdb7dad78c1d5 Patch
- https://git.kernel.org/stable/c/e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe Patch
- https://git.kernel.org/stable/c/fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · linuxNVD modified 2026-10-15 01:19
Affected (CPE criteria) 1
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References 13
- https://git.kernel.org/stable/c/17199b69a84798efffc475040fbef44374ef1de1 Patch
- https://git.kernel.org/stable/c/1756918f51e9ab247a0f4782cc28853c2bb457c1 Patch
- https://git.kernel.org/stable/c/498365e52bebcbc36a93279fe7e9d6aec8479cee Patch
- https://git.kernel.org/stable/c/71267bd4e8c752d7af6c6b96bb83984a6a95273d Patch
- https://git.kernel.org/stable/c/a3a12c30f9510f3753286fadbc6cdb7dad78c1d5 Patch
- https://git.kernel.org/stable/c/b55c8848fdc81514ec047b2a0ec782ffe9ab5323
- https://git.kernel.org/stable/c/e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe Patch
- https://git.kernel.org/stable/c/f9310a6704bf52e2493480edea896e1f9b795d40
- https://git.kernel.org/stable/c/fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc Patch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html