CVE-2025-39732Improper Synchronization in Linux

Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedSep 7
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix sleeping-in-atomic in ath11k_mac_op_set_bitrate_mask() ath11k_mac_disable_peer_fixed_rate() is passed as the iterator to ieee80211_iterate_stations_atomic(). Note in this case the iterator is required to be atomic, however ath11k_mac_disable_peer_fixed_rate() does not follow it as it might sleep. Consequently below warning is seen: BUG: sleeping function called from invalid context at wmi.c:304 Call Trace:

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 Packages7 packages

NVDlinux/linux_kernel5.66.12.42+2
Debianlinux/linux_kernel< 6.12.43-1+1
Ubuntulinux/linux_kernel< 6.8.0-100.100
CVEListV5linux/linuxd5c65159f2895379e11ca13f62feabe93278985d9c0e3144924c7db701575a73af341d33184afeaf+4

Patches

🔴Vulnerability Details

24
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

22
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-39732 — Improper Synchronization in Linux | cvebase