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Medium 5.5Published Feb 14, 2026

CVE-2025-71223smb/server: fix refcount leak in smb2_open()

Updated under an hour ago ()

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It affects Linux and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in smb2_open() When ksmbd_vfs_getattr() fails, the reference count of ksmbd_file must be released.

CVSS
5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Analyzed
Record last updated
May 23, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from 8df4bcdb0a4232192b2445256c39b787d58ef14d before 2456fde2b137703328f1695f60c68fe488d17e36; from c8efcc786146a951091588e5fa7e3c754850cb3c before 39ca11ff158c98fb092176f06047628c54bcf7a1; from c8efcc786146a951091588e5fa7e3c754850cb3c before 4665e52bde3b1f8f442895ce7d88fa62a43e48c4; from c8efcc786146a951091588e5fa7e3c754850cb3c before f416c556997aa56ec4384c6b6efd6a0e6ac70aa7; from 6.6.32 before 6.6.124
CNA record
linux linux_kernel
linux:linux_kernel
from 6.6.32 before 6.6.124; from 6.9 before 6.12.70; from 6.13 before 6.18.10; 6.19; 6.19; 6.19
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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