Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: use list_del_rcu for netlink hooks nft_netdev_unregister_hooks and __nft_unregister_flowtable_net_hooks need to use list_del_rcu(), this list can be walked by concurrent dumpers. Add a new helper and use it consistently.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- Linux / Linuxf9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – 0bd93ce4f3c35e845532184331d7917d7e562c80
- Linux / Linuxf9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – 0f33e8ad6ac563ae2233dd7f75884e0ee010521d
- Linux / Linuxf9a43007d3f7ba76d5e7f9421094f00f2ef202f8 – f3224ee463f8f6f6ced7dcdf6081add4f8128527
- Linux / Linuxc73955a09408e7374d9abfd0e78ce3de9cda0635 – c73955a09408e7374d9abfd0e78ce3de9cda0635
- Linux / Linuxb09e6ccf0d12f9356e8e3508d3e3dce126298538 – b09e6ccf0d12f9356e8e3508d3e3dce126298538
- Linux / Linux3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82 – 3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82
- Linux / Linux9c413a8c8bb49cc16796371805ecb260e885bb2b – 9c413a8c8bb49cc16796371805ecb260e885bb2b
- Linux / Linuxa3940dcf552f2393d1e8f263b386593f98abe829 – a3940dcf552f2393d1e8f263b386593f98abe829
- Linux / Linux86c0154f4c3a56c5db8b9dd09e3ce885382c2c19 – 86c0154f4c3a56c5db8b9dd09e3ce885382c2c19
- Linux / Linux4.19.316 – 4.20
- Linux / Linux5.4.262 – 5.5
- Linux / Linux5.10.198 – 5.11
- Linux / Linux5.15.45 – 5.16
- Linux / Linux5.17.13 – 5.18
- Linux / Linux5.18.2 – 5.19
- Linux / Linux5.19 – 5.19
- Linux / Linux0 – 5.19
- Linux / Linux6.18.33 – 6.18.*
- Linux / Linux7.0.10 – 7.0.*
- Linux / Linux7.1 – *