CVE-2025-38509 — Linux vulnerability
16 documents6 sources
Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 94.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 16
Latest updateDec 15
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: mac80211: reject VHT opmode for unsupported channel widths
VHT operating mode notifications are not defined for channel widths
below 20 MHz. In particular, 5 MHz and 10 MHz are not valid under the
VHT specification and must be rejected.
Without this check, malformed notifications using these widths may
reach ieee80211_chan_width_to_rx_bw(), leading to a WARN_ON due to
invalid input. This issue was reported by syzbot.
R…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
▶CVEListV5linux/linux751e7489c1d74b94ffffbed619d8fd724eeff4ee — 18eca59a04500b68a90e0c5c873f97c9d1ea2bfa+2
Patches
🔴Vulnerability Details
8OSV▶
linux, linux-aws, linux-gcp, linux-hwe-6.14, linux-oracle, linux-realtime vulnerabilities↗2025-11-21