CVE-2025-71223
published 2026-02-14CVE-2025-71223: 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…
PriorityP417medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.12%
2.4th percentile
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.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.18.10-1 (forky) | linux 6.18.10-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= 6.6.32 < 6.6.124 | 6.6.124 |
| linux | linux | >= 8df4bcdb0a4232192b2445256c39b787d58ef14d < 2456fde2b137703328f1695f60c68fe488d17e36 | 2456fde2b137703328f1695f60c68fe488d17e36 |
| linux | linux | >= c8efcc786146a951091588e5fa7e3c754850cb3c < 39ca11ff158c98fb092176f06047628c54bcf7a1 | 39ca11ff158c98fb092176f06047628c54bcf7a1 |
| linux | linux | >= c8efcc786146a951091588e5fa7e3c754850cb3c < 4665e52bde3b1f8f442895ce7d88fa62a43e48c4 | 4665e52bde3b1f8f442895ce7d88fa62a43e48c4 |
| linux | linux | >= c8efcc786146a951091588e5fa7e3c754850cb3c < f416c556997aa56ec4384c6b6efd6a0e6ac70aa7 | f416c556997aa56ec4384c6b6efd6a0e6ac70aa7 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.12.73-1 | 6.12.73-1 |
| linux | linux_kernel | >= 0 < 6.18.10-1 | 6.18.10-1 |
| linux | linux_kernel | >= 6.13 < 6.18.10 | 6.18.10 |
| linux | linux_kernel | >= 6.6.32 < 6.6.124 | 6.6.124 |
| linux | linux_kernel | >= 6.9 < 6.12.70 | 6.12.70 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
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Red Hat
kernel: smb/server: fix refcount leak in smb2_open()
vendor_redhat·2026-02-14·CVSS 5.5
CVE-2025-71223 [MEDIUM] CWE-772 kernel: smb/server: fix refcount leak in smb2_open()
kernel: smb/server: fix refcount leak in smb2_open()
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.
Package: kernel (Red Hat Enterprise Linux 10) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 7) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel (Red Hat Enterprise Linux 9) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 9) - Not affected
Debian
CVE-2025-71223: linux - In the Linux kernel, the following vulnerability has been resolved: smb/server:...
vendor_debian·2025·CVSS 5.5
CVE-2025-71223 [MEDIUM] CVE-2025-71223: linux - In the Linux kernel, the following vulnerability has been resolved: smb/server:...
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.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved (fixed in 6.18.10-1)
sid: resolved (fixed in 6.18.10-1)
trixie: resolved (fixed in 6.12.73-1)
VulDB
Linux Kernel up to 6.6.123/6.12.69/6.18.9 smb smb2_open reference count (Nessus ID 299095 / WID-SEC-2026-0421)
vuldb·2026-08-08·CVSS 5.5
CVE-2025-71223 [MEDIUM] Linux Kernel up to 6.6.123/6.12.69/6.18.9 smb smb2_open reference count (Nessus ID 299095 / WID-SEC-2026-0421)
A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.6.123/6.12.69/6.18.9. The impacted element is the function smb2_open of the component smb. The manipulation leads to improper update of reference count.
This vulnerability is uniquely identified as CVE-2025-71223. The attack can only be initiated within the local network. No exploit exists.
It is advisable to upgrade the affected component.
GHSA
GHSA-wc6c-368q-8vvv: In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix refcount leak in smb2_open()
When ksmbd_vfs_getattr() fails, the
ghsa_unreviewed·2026-02-14
CVE-2025-71223 [MEDIUM] GHSA-wc6c-368q-8vvv: In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix refcount leak in smb2_open()
When ksmbd_vfs_getattr() fails, the
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.
OSV
CVE-2025-71223: In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in smb2_open() When ksmbd_vfs_getattr() fails, the r
osv·2026-02-14·CVSS 5.5
CVE-2025-71223 [MEDIUM] CVE-2025-71223: In the Linux kernel, the following vulnerability has been resolved: smb/server: fix refcount leak in smb2_open() When ksmbd_vfs_getattr() fails, the r
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.
No detection rules found.
No public exploits indexed.
2026-02-14
Published