CVE-2026-23205
Medium
Low
Medium
High
Critical
5.5
CVSS Score
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
smb/client: fix memory leak in smb2_open_file()
Reproducer:
1. server: directories are exported read-only
2. client: mount -t cifs //${server_ip}/export /mnt
3. client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct
4. client: umount /mnt
5. client: sleep 1
6. client: modprobe -r cifs
The error message is as follows:
=============================================================================
BUG cifs_small_rq (Not tainted): Objects remaining on __kmem_cache_shutdown()
-----------------------------------------------------------------------------
Object 0x00000000d47521be @offset=14336
...
WARNING: mm/slub.c:1251 at __kmem_cache_shutdown+0x34e/0x440, CPU#0: modprobe/1577
...
Call Trace:
<TASK>
kmem_cache_destroy+0x94/0x190
cifs_destroy_request_bufs+0x3e/0x50 [cifs]
cleanup_module+0x4e/0x540 [cifs]
__se_sys_delete_module+0x278/0x400
__x64_sys_delete_module+0x5f/0x70
x64_sys_call+0x2299/0x2ff0
do_syscall_64+0x89/0x350
entry_SYSCALL_64_after_hwframe+0x76/0x7e
...
kmem_cache_destroy cifs_small_rq: Slab cache still has objects when called from cifs_destroy_request_bufs+0x3e/0x50 [cifs]
WARNING: mm/slab_common.c:532 at kmem_cache_destroy+0x16b/0x190, CPU#0: modprobe/1577
CVSS Metrics
Common Vulnerability Scoring System
Vector String:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
L
Attack Complexity
L
Privileges Required
L
User Interaction
N
Scope
U
Confidentiality
N
Integrity
N
Availability
H
Known Affected Software
133 configuration(s) from 1 vendor(s)
linux_kernel
Version:
6.1.150
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.150:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.67
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.67:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.1
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.1:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.1
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.1:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.8
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.8:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.154
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.154:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.94
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.94:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.148
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.148:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.160
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.160:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.55
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.55:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.122
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.122:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.38
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.38:*:*:*:*:*:*:*
linux_kernel
Version:
6.14.10
CPE:
cpe:2.3:o:linux:linux_kernel:6.14.10:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.107
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.107:*:*:*:*:*:*:*
linux_kernel
Version:
6.18
CPE:
cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*
linux_kernel
Version:
6.17.10
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.10:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.149
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.149:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.97
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.97:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.108
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.108:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.155
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.155:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.156
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.156:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.8
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.8:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.12
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.12:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.53
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.53:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.35
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.35:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.4
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.4:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.111
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.111:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.10
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.10:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.8
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.8:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.60
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.60:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.2
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.2:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.11
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.11:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.11
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.11:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.144
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.144:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.52
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.52:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.109
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.109:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.159
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.159:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.106
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.106:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.143
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.143:*:*:*:*:*:*:*
linux_kernel
Version:
6.15
CPE:
cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
linux_kernel
Version:
6.6.114
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.114:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.62
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.62:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.103
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.103:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.158
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.158:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.113
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.113:*:*:*:*:*:*:*
linux_kernel
Version:
6.14.11
CPE:
cpe:2.3:o:linux:linux_kernel:6.14.11:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.39
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.39:*:*:*:*:*:*:*
linux_kernel
Version:
6.18.3
CPE:
cpe:2.3:o:linux:linux_kernel:6.18.3:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.98
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.98:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.6
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.6:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.44
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.44:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.2
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.2:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.95
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.95:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.32
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.32:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.116
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.116:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.9
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.9:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.47
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.47:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.7
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.7:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.101
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.101:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.102
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.102:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.56
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.56:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.105
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.105:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.2
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.2:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.9
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.9:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.49
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.49:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.11
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.11:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.5
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.5:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.33
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.33:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.147
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.147:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.12
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.12:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.34
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.34:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.5
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.5:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.6
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.6:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.1
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.1:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.9
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.9:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.100
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.100:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.117
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.117:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.58
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.58:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.59
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.59:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.68
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.68:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.42
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.42:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.96
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.96:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.46
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.46:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.37
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.37:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.93
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.93:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.146
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.146:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.54
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.54:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.3
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.3:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.112
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.112:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.115
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.115:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.50
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.50:*:*:*:*:*:*:*
linux_kernel
Version:
6.18.8
CPE:
cpe:2.3:o:linux:linux_kernel:6.18.8:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.51
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.51:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.36
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.36:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.120
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.120:*:*:*:*:*:*:*
linux_kernel
Version:
6.17
CPE:
cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*
linux_kernel
Version:
6.15.7
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.7:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.31
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.31:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.153
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.153:*:*:*:*:*:*:*
linux_kernel
Version:
6.18.7
CPE:
cpe:2.3:o:linux:linux_kernel:6.18.7:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.45
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.45:*:*:*:*:*:*:*
linux_kernel
Version:
6.16
CPE:
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
linux_kernel
Version:
6.1.145
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.145:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.4
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.4:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.43
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.43:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.10
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.10:*:*:*:*:*:*:*
linux_kernel
Version:
6.18.2
CPE:
cpe:2.3:o:linux:linux_kernel:6.18.2:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.13
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.13:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.40
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.40:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.104
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.104:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.61
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.61:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.4
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.4:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.41
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.41:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.157
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.157:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.141
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.141:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.142
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.142:*:*:*:*:*:*:*
linux_kernel
Version:
6.14.9
CPE:
cpe:2.3:o:linux:linux_kernel:6.14.9:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.152
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.152:*:*:*:*:*:*:*
linux_kernel
Version:
6.19
CPE:
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
linux_kernel
Version:
6.15.5
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.5:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.63
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.63:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.119
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.119:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.3
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.3:*:*:*:*:*:*:*
linux_kernel
Version:
6.17.7
CPE:
cpe:2.3:o:linux:linux_kernel:6.17.7:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.57
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.57:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.99
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.99:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.110
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.110:*:*:*:*:*:*:*
linux_kernel
Version:
6.16.6
CPE:
cpe:2.3:o:linux:linux_kernel:6.16.6:*:*:*:*:*:*:*
linux_kernel
Version:
6.18.1
CPE:
cpe:2.3:o:linux:linux_kernel:6.18.1:*:*:*:*:*:*:*
linux_kernel
Version:
6.6.118
CPE:
cpe:2.3:o:linux:linux_kernel:6.6.118:*:*:*:*:*:*:*
linux_kernel
Version:
6.1.151
CPE:
cpe:2.3:o:linux:linux_kernel:6.1.151:*:*:*:*:*:*:*
linux_kernel
Version:
6.15.3
CPE:
cpe:2.3:o:linux:linux_kernel:6.15.3:*:*:*:*:*:*:*
linux_kernel
Version:
6.12.48
CPE:
cpe:2.3:o:linux:linux_kernel:6.12.48:*:*:*:*:*:*:*
This vulnerability affects 133 software configuration(s). Ensure you patch all affected systems.
SUSE
CVE-2026-23205
CVE-2026-23205
Severity
Unknown
Released
Mar 05, 2026
Security Update
References & Resources
-
https://git.kernel.org/stable/c/3a6d6b332f92990958602c1e35ce0173e2dd62e9416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
-
https://git.kernel.org/stable/c/743f70406264348c0830f38409eb6c40a42fb2db416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
-
https://git.kernel.org/stable/c/9ee608a64e37cea5b4b13e436c559dd0fb2ad1b5416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
-
https://git.kernel.org/stable/c/b64e3b5d8d759dd4333992e4ba4dadf9359952c8416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
-
https://git.kernel.org/stable/c/e3a43633023e3cacaca60d4b8972d084a2b06236416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
Severity Details
5.5
out of 10.0
Medium
Weakness Type (CWE)
CWE-401
Missing Release of Memory after Effective Lifetime
- Description
- The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
- Exploit Likelihood
- Medium
- Typical Severity
- High
- Abstraction Level
- Variant
Key Information
- Published Date
- February 14, 2026
