5.5

CVE-2023-53140

scsi: core: Remove the /proc/scsi/${proc_name} directory earlier

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

scsi: core: Remove the /proc/scsi/${proc_name} directory earlier

Remove the /proc/scsi/${proc_name} directory earlier to fix a race
condition between unloading and reloading kernel modules. This fixes a bug
introduced in 2009 by commit 77c019768f06 ("[SCSI] fix /proc memory leak in
the SCSI core").

Fix the following kernel warning:

proc_dir_entry 'scsi/scsi_debug' already registered
WARNING: CPU: 19 PID: 27986 at fs/proc/generic.c:376 proc_register+0x27d/0x2e0
Call Trace:
 proc_mkdir+0xb5/0xe0
 scsi_proc_hostdir_add+0xb5/0x170
 scsi_host_alloc+0x683/0x6c0
 sdebug_driver_probe+0x6b/0x2d0 [scsi_debug]
 really_probe+0x159/0x540
 __driver_probe_device+0xdc/0x230
 driver_probe_device+0x4f/0x120
 __device_attach_driver+0xef/0x180
 bus_for_each_drv+0xe5/0x130
 __device_attach+0x127/0x290
 device_initial_probe+0x17/0x20
 bus_probe_device+0x110/0x130
 device_add+0x673/0xc80
 device_register+0x1e/0x30
 sdebug_add_host_helper+0x1a7/0x3b0 [scsi_debug]
 scsi_debug_init+0x64f/0x1000 [scsi_debug]
 do_one_initcall+0xd7/0x470
 do_init_module+0xe7/0x330
 load_module+0x122a/0x12c0
 __do_sys_finit_module+0x124/0x1a0
 __x64_sys_finit_module+0x46/0x50
 do_syscall_64+0x38/0x80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.30 < 4.19.278
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.237
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.175
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.103
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.20
Linux ≫ Linux Kernel Version >= 6.2 < 6.2.7
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.05
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/13daafe1e209b03e9bda16ff2bd2b2da145a139b
Patch
https://git.kernel.org/stable/c/891a3cba425cf483d96facca55aebd6ff1da4338
Patch
https://git.kernel.org/stable/c/6b223e32d66ca9db1f252f433514783d8b22a8e1
Patch
https://git.kernel.org/stable/c/e471e928de97b00f297ad1015cc14f9459765713
Patch
https://git.kernel.org/stable/c/17e98a5ede81b7696bec421f7afa2dfe467f5e6b
Patch
https://git.kernel.org/stable/c/1ec363599f8346d5a8d08c71a0d9860d6c420ec0
Patch
https://git.kernel.org/stable/c/fc663711b94468f4e1427ebe289c9f05669699c9
Patch