CVE - CVE-2022-49558

CVE-ID
CVE-2022-49558	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: double hook unregistration in netns path __nft_release_hooks() is called from pre_netns exit path which unregisters the hooks, then the NETDEV_UNREGISTER event is triggered which unregisters the hooks again. [ 565.221461] WARNING: CPU: 18 PID: 193 at net/netfilter/core.c:495 __nf_unregister_net_hook+0x247/0x270 [...] [ 565.246890] CPU: 18 PID: 193 Comm: kworker/u64:1 Tainted: G E 5.18.0-rc7+ #27 [ 565.253682] Workqueue: netns cleanup_net [ 565.257059] RIP: 0010:__nf_unregister_net_hook+0x247/0x270 [...] [ 565.297120] Call Trace: [ 565.300900] <TASK> [ 565.304683] nf_tables_flowtable_event+0x16a/0x220 [nf_tables] [ 565.308518] raw_notifier_call_chain+0x63/0x80 [ 565.312386] unregister_netdevice_many+0x54f/0xb50 Unregister and destroy netdev hook from netns pre_exit via kfree_rcu so the NETDEV_UNREGISTER path see unregistered hooks.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 URL:https://git.kernel.org/stable/c/3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 MISC:https://git.kernel.org/stable/c/86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 URL:https://git.kernel.org/stable/c/86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 MISC:https://git.kernel.org/stable/c/9c413a8c8bb49cc16796371805ecb260e885bb2b URL:https://git.kernel.org/stable/c/9c413a8c8bb49cc16796371805ecb260e885bb2b MISC:https://git.kernel.org/stable/c/a3940dcf552f2393d1e8f263b386593f98abe829 URL:https://git.kernel.org/stable/c/a3940dcf552f2393d1e8f263b386593f98abe829 MISC:https://git.kernel.org/stable/c/b09e6ccf0d12f9356e8e3508d3e3dce126298538 URL:https://git.kernel.org/stable/c/b09e6ccf0d12f9356e8e3508d3e3dce126298538 MISC:https://git.kernel.org/stable/c/c73955a09408e7374d9abfd0e78ce3de9cda0635 URL:https://git.kernel.org/stable/c/c73955a09408e7374d9abfd0e78ce3de9cda0635 MISC:https://git.kernel.org/stable/c/f9a43007d3f7ba76d5e7f9421094f00f2ef202f8 URL:https://git.kernel.org/stable/c/f9a43007d3f7ba76d5e7f9421094f00f2ef202f8
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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