CVE-2025-21944

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix bug on trap in smb2_lock

If lock count is greater than 1, flags could be old value. It should be checked with flags of smb_lock, not flags. It will cause bug-on trap from locks_free_lock in error handling routine.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-667

Affected software

VendorProductVersions
LinuxLinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 11e0e74e14f1832a95092f2c98ed3b99f57797ee; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 8994f0ce8259f812b4f4a681d8298c6ff682efaa; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < dbcd7fdd86f77529210fe8978154a81cd479844c; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 2b70e3ac79eacbdf32571f7af48dd81cdd957ca8; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < e26e2d2e15daf1ab33e0135caf2304a0cfa2744b
LinuxLinux5.15

References

Timeline

Published
Apr 1, 2025
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2025

CVE-2025-219457.8In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2_lock If smb_lock->zero_len has valueCVE-2025-219467.1In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds in parse_sec_desc() If osidoffset, gsidoffsetCVE-2025-219474.7In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipc_msg_send_reCVE-2025-219485.5In the Linux kernel, the following vulnerability has been resolved: HID: appleir: Fix potential NULL dereference at raw event handle SyzkaCVE-2025-219495.5In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltCVE-2025-21956.1A vulnerability was found in MRCMS 3.1.2. It has been classified as problematic. Affected is the function rename of the file /admin/file/renCVE-2025-219507.1In the Linux kernel, the following vulnerability has been resolved: drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctlCVE-2025-219515.5In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: pci_generic: Use pci_try_reset_function() to avoid deadCVE-2025-219525.5In the Linux kernel, the following vulnerability has been resolved: HID: corsair-void: Update power supply values with a unified work handlCVE-2025-219535.5In the Linux kernel, the following vulnerability has been resolved: net: mana: cleanup mana struct after debugfs_remove() When on a MANA VCVE-2025-219545.5In the Linux kernel, the following vulnerability has been resolved: netmem: prevent TX of unreadable skbs Currently on stable trees we havCVE-2025-219555.5In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksm
CVE-2025-21944: Medium severity, CVSS 5.5 | Vulnix