Vulnerability Details CVE-2024-47733
In the Linux kernel, the following vulnerability has been resolved:
netfs: Delete subtree of 'fs/netfs' when netfs module exits
In netfs_init() or fscache_proc_init(), we create dentry under 'fs/netfs',
but in netfs_exit(), we only delete the proc entry of 'fs/netfs' without
deleting its subtree. This triggers the following WARNING:
==================================================================
remove_proc_entry: removing non-empty directory 'fs/netfs', leaking at least 'requests'
WARNING: CPU: 4 PID: 566 at fs/proc/generic.c:717 remove_proc_entry+0x160/0x1c0
Modules linked in: netfs(-)
CPU: 4 UID: 0 PID: 566 Comm: rmmod Not tainted 6.11.0-rc3 #860
RIP: 0010:remove_proc_entry+0x160/0x1c0
Call Trace:
<TASK>
netfs_exit+0x12/0x620 [netfs]
__do_sys_delete_module.isra.0+0x14c/0x2e0
do_syscall_64+0x4b/0x110
entry_SYSCALL_64_after_hwframe+0x76/0x7e
==================================================================
Therefore use remove_proc_subtree() instead of remove_proc_entry() to
fix the above problem.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 6.7%
CVSS Severity
CVSS v3 Score 5.5
Products affected by CVE-2024-47733
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cpe:2.3:o:linux:linux_kernel:6.10
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cpe:2.3:o:linux:linux_kernel:6.10.0
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cpe:2.3:o:linux:linux_kernel:6.10.1
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cpe:2.3:o:linux:linux_kernel:6.10.10
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cpe:2.3:o:linux:linux_kernel:6.10.11
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cpe:2.3:o:linux:linux_kernel:6.10.12
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cpe:2.3:o:linux:linux_kernel:6.10.2
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cpe:2.3:o:linux:linux_kernel:6.10.3
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cpe:2.3:o:linux:linux_kernel:6.10.4
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cpe:2.3:o:linux:linux_kernel:6.10.5
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cpe:2.3:o:linux:linux_kernel:6.10.6
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cpe:2.3:o:linux:linux_kernel:6.10.7
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cpe:2.3:o:linux:linux_kernel:6.10.8
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cpe:2.3:o:linux:linux_kernel:6.10.9
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cpe:2.3:o:linux:linux_kernel:6.11
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cpe:2.3:o:linux:linux_kernel:6.11.1
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cpe:2.3:o:linux:linux_kernel:6.8
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cpe:2.3:o:linux:linux_kernel:6.8.1
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cpe:2.3:o:linux:linux_kernel:6.8.10
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cpe:2.3:o:linux:linux_kernel:6.8.11
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cpe:2.3:o:linux:linux_kernel:6.8.12
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cpe:2.3:o:linux:linux_kernel:6.8.2
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cpe:2.3:o:linux:linux_kernel:6.8.3
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cpe:2.3:o:linux:linux_kernel:6.8.4
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cpe:2.3:o:linux:linux_kernel:6.8.5
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cpe:2.3:o:linux:linux_kernel:6.8.6
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cpe:2.3:o:linux:linux_kernel:6.8.7
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cpe:2.3:o:linux:linux_kernel:6.8.8
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cpe:2.3:o:linux:linux_kernel:6.8.9
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cpe:2.3:o:linux:linux_kernel:6.9
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cpe:2.3:o:linux:linux_kernel:6.9.1
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cpe:2.3:o:linux:linux_kernel:6.9.10
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cpe:2.3:o:linux:linux_kernel:6.9.11
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cpe:2.3:o:linux:linux_kernel:6.9.12
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cpe:2.3:o:linux:linux_kernel:6.9.2
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cpe:2.3:o:linux:linux_kernel:6.9.3
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cpe:2.3:o:linux:linux_kernel:6.9.4
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cpe:2.3:o:linux:linux_kernel:6.9.5
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cpe:2.3:o:linux:linux_kernel:6.9.6
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cpe:2.3:o:linux:linux_kernel:6.9.7
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cpe:2.3:o:linux:linux_kernel:6.9.8
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cpe:2.3:o:linux:linux_kernel:6.9.9