CVE-2022-49918
What it is
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>
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Analyzed
Affected
- Linux Kernel < 4.19.265
- Linux Kernel < 5.4.224
- Linux Kernel < 5.10.154
- Linux Kernel < 5.15.78
- Linux Kernel < 6.0.8
- Linux Kernel 6.1
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-49918.md and follow it. Check whether this project is affected by CVE-2022-49918. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d
- https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e
- https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1
- https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b
- https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530
- https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50
References
- https://git.kernel.org/stable/c/3d00c6a0da8ddcf75213e004765e4a42acc71d5d
- https://git.kernel.org/stable/c/5ee2d6b726b0ce339e36569e5849692f4cf4595e
- https://git.kernel.org/stable/c/7effc4ce3d1434ce6ff286866585a6e905fdbfc1
- https://git.kernel.org/stable/c/931f56d59c854263b32075bfac56fdb3b1598d1b
- https://git.kernel.org/stable/c/e724220b826e008764309d2a1f55a9434a4e1530
- https://git.kernel.org/stable/c/f08ee2aa24c076f81d84e26e213d8c6f4efd9f50