CVE-2025-38244 — Improper Locking in Linux

CWE-667 — Improper LockingCWE-833 — Deadlock48 documents7 sources
Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 95.14%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
LinuxLinux KernelDebian Linux+2 more
Timeline
PublishedJul 9
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential deadlock when reconnecting channels Fix cifs_signal_cifsd_for_reconnect() to take the correct lock order and prevent the following deadlock from happening WARNING: possible circular locking dependency detected 6.16.0-rc3-build2+ #1301 Tainted: G S W cifsd/6055 is trying to acquire lock: ffff88810ad56038 (&tcp_ses->srv_lock){+.+.}-{3:3}, at: cifs_signal_cifsd_for_reconnect+0x134/0x200 but task is al…

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_kernel6.0 — 6.6.96+3
▶Debianlinux/linux_kernel< 6.12.37-1+1
▶Ubuntulinux/linux_kernel< 6.8.0-100.100

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

24
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities↗2026-02-24
▶
OSV
linux-xilinx vulnerabilities↗2026-02-24
▶
OSV
linux-hwe-6.8, linux-lowlatency-hwe-6.8 vulnerabilities↗2026-02-19
▶
OSV
linux-gcp, linux-gke vulnerabilities↗2026-02-19
▶
OSV
linux-nvidia-lowlatency vulnerabilities↗2026-02-19
▶

📋Vendor Advisories

23
Ubuntu
Linux kernel (Xilinx) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2026-02-24
▶
Ubuntu
Linux kernel (Low Latency) vulnerabilities↗2026-02-19
▶
Ubuntu
Linux kernel (Low Latency NVIDIA) vulnerabilities↗2026-02-19
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2026-02-19
▶
CVE-2025-38244 — Improper Locking in Linux | cvebase