CVE-2024-50119: cifs: fix warning when destroy 'cifs_io_request_pool'
First published: Tue Nov 05 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: cifs: fix warning when destroy 'cifs_io_request_pool' There's a issue as follows: WARNING: CPU: 1 PID: 27826 at mm/slub.c:4698 free_large_kmalloc+0xac/0xe0 RIP: 0010:free_large_kmalloc+0xac/0xe0 Call Trace: <TASK> ? __warn+0xea/0x330 mempool_destroy+0x13f/0x1d0 init_cifs+0xa50/0xff0 [cifs] do_one_initcall+0xdc/0x550 do_init_module+0x22d/0x6b0 load_module+0x4e96/0x5ff0 init_module_from_file+0xcd/0x130 idempotent_init_module+0x330/0x620 __x64_sys_finit_module+0xb3/0x110 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Obviously, 'cifs_io_request_pool' is not created by mempool_create(). So just use mempool_exit() to revert 'cifs_io_request_pool'.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=6.10<6.11.6 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 |
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Reference Links
- https://git.kernel.org/stable/c/726416a253c51037636ecc65ad3dada3d02dcaea
- https://git.kernel.org/stable/c/2ce1007f42b8a6a0814386cb056feb28dc6d6091
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50119
- https://nvd.nist.gov/vuln/detail/CVE-2024-50119
- https://launchpad.net/bugs/cve/CVE-2024-50119
- https://security-tracker.debian.org/tracker/CVE-2024-50119
- https://ubuntu.com/security/CVE-2024-50119
- https://git.kernel.org/linus/2ce1007f42b8a6a0814386cb056feb28dc6d6091
Frequently Asked Questions
What is the severity of CVE-2024-50119?
The vulnerability CVE-2024-50119 is classified as a low-severity issue.
How do I fix CVE-2024-50119?
To resolve CVE-2024-50119, update your Linux kernel to versions 6.12 or higher.
Which Linux kernel versions are affected by CVE-2024-50119?
CVE-2024-50119 affects Linux kernel versions from 6.10 to 6.11.6 and 6.12-rc1 to 6.12-rc4.
What type of issue does CVE-2024-50119 address?
CVE-2024-50119 addresses a warning generated in the Linux kernel during the destruction of 'cifs_io_request_pool'.
Is CVE-2024-50119 exploitable?
CVE-2024-50119 is not known to be exploitable as it primarily involves a warning and does not indicate a security breach.
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