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THREATINT
PUBLISHED

CVE-2022-49918

ipvs: fix WARNING in __ip_vs_cleanup_batch()



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: <TASK> __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 </TASK>

Reserved 2025-05-01 | Published 2025-05-01 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

61b1ab4583e275af216c8454b9256de680499b19 before f08ee2aa24c076f81d84e26e213d8c6f4efd9f50
affected

61b1ab4583e275af216c8454b9256de680499b19 before 7effc4ce3d1434ce6ff286866585a6e905fdbfc1
affected

61b1ab4583e275af216c8454b9256de680499b19 before 931f56d59c854263b32075bfac56fdb3b1598d1b
affected

61b1ab4583e275af216c8454b9256de680499b19 before 5ee2d6b726b0ce339e36569e5849692f4cf4595e
affected

61b1ab4583e275af216c8454b9256de680499b19 before e724220b826e008764309d2a1f55a9434a4e1530
affected

61b1ab4583e275af216c8454b9256de680499b19 before 3d00c6a0da8ddcf75213e004765e4a42acc71d5d
affected

Default status
affected

2.6.39
affected

Any version before 2.6.39
unaffected

4.19.265
unaffected

5.4.224
unaffected

5.10.154
unaffected

5.15.78
unaffected

6.0.8
unaffected

6.1
unaffected

References

git.kernel.org/...c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50

git.kernel.org/...c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1

git.kernel.org/...c/931f56d59c854263b32075bfac56fdb3b1598d1b

git.kernel.org/...c/5ee2d6b726b0ce339e36569e5849692f4cf4595e

git.kernel.org/...c/e724220b826e008764309d2a1f55a9434a4e1530

git.kernel.org/...c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d

cve.org (CVE-2022-49918)

nvd.nist.gov (CVE-2022-49918)

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