CVE-2024-50008: wifi: mwifiex: Fix memcpy() field-spanning write warning in mwifiex_cmd_802_11_scan_ext()
Vulnerability summary
CVE-2024-50008 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 52 · Related 49Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
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]
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu134 products
- linux< 4.4.0-280.314 | < 4.15.0-249.261 | < 5.4.0-208.228 | < 5.15.0-127.137 | < 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1154.160 | < 4.4.0-1192.207 | < 4.15.0-1191.204 | < 5.4.0-1140.150 | < 5.15.0-1073.79 | < 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 21f58d200388480547df909b5464b5aafebf299d, < b55c8848fdc81514ec047b2a0ec782ffe9ab5323 | ≥ 21f58d200388480547df909b5464b5aafebf299d, < f9310a6704bf52e2493480edea896e1f9b795d40 | ≥ 21f58d200388480547df909b5464b5aafebf299d, < 1756918f51e9ab247a0f4782cc28853c2bb457c1 | ≥ 21f58d200388480547df909b5464b5aafebf299d, < e59bdb1ba594104cd0ee0af3ee9e4435d842a8fe | ≥ 21f58d200388480547df909b5464b5aafebf299d, < 17199b69a84798efffc475040fbef44374ef1de1 | ≥ 21f58d200388480547df909b5464b5aafebf299d, < fef7b51f22cf2049b0ca6740adeb0ba6f2e671dc | ≥ 21f58d200388480547df909b5464b5aafebf299d, < 71267bd4e8c752d7af6c6b96bb83984a6a95273d | ≥ 21f58d200388480547df909b5464b5aafebf299d, < a3a12c30f9510f3753286fadbc6cdb7dad78c1d5 | ≥ 21f58d200388480547df909b5464b5aafebf299d, < 498365e52bebcbc36a93279fe7e9d6aec8479cee | 3.15
- linux_kernel< 5.10.227 | ≥ 5.11, < 5.15.168 | ≥ 5.16, < 6.1.113 | ≥ 6.2, < 6.6.55 | ≥ 6.7, < 6.10.14 | ≥ 6.11, < 6.11.3
Debian1 product
- linux< 6.1.115-1 | < 6.11.4-1
3 vendors · 137 products