vulnerability
Ubuntu: (CVE-2022-49918): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 1, 2025 | May 6, 2025 | Jun 12, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
ipvs: fix WARNING in __ip_vs_cleanup_batch()
During the initialization of ip_vs_conn_net_init(), if file ip_vs_conn
or ip_vs_conn_sync fails to be created, the initialization is successful
by default. Therefore, the ip_vs_conn or ip_vs_conn_sync file doesn't
be found during the remove.
The following is the stack information:
name 'ip_vs_conn_sync'
WARNING: CPU: 3 PID: 9 at fs/proc/generic.c:712
remove_proc_entry+0x389/0x460
Modules linked in:
Workqueue: netns cleanup_net
RIP: 0010:remove_proc_entry+0x389/0x460
Call Trace:
__ip_vs_cleanup_batch+0x7d/0x120
ops_exit_list+0x125/0x170
cleanup_net+0x4ea/0xb00
process_one_work+0x9bf/0x1710
worker_thread+0x665/0x1080
kthread+0x2e4/0x3a0
ret_from_fork+0x1f/0x30
Solution(s)
References
- CVE-2022-49918
- https://attackerkb.com/topics/CVE-2022-49918
- URL-https://git.kernel.org/linus/3d00c6a0da8ddcf75213e004765e4a42acc71d5d
- URL-https://git.kernel.org/stable/c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d
- URL-https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e
- URL-https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1
- URL-https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b
- URL-https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530
- URL-https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50
- URL-https://www.cve.org/CVERecord?id=CVE-2022-49918
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