CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() nft_unregister_expr() can concurrent with __nft_expr_type_get(), and there is not any protection when iterate over nf_tables_expressions list in __nft_expr_type_get(). Therefore, there is potential data-race of nf_tables_expressions list entry. Use list_for_each_entry_rcu() to iterate over nf_tables_expressions list in __nft_expr_type_get(), and use rcu_read_lock() in the caller nft_expr_type_get() to protect the entire type query process.
git.kernel.org/linus/f969eb84ce482331a991079ab7a5c4dc3b7f89bf
git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f
git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907
git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5
git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b
git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf
ubuntu.com/security/CVE-2024-27020
ubuntu.com/security/notices/USN-6893-1
ubuntu.com/security/notices/USN-6893-2
ubuntu.com/security/notices/USN-6893-3
ubuntu.com/security/notices/USN-6896-1
ubuntu.com/security/notices/USN-6896-2
ubuntu.com/security/notices/USN-6896-3
ubuntu.com/security/notices/USN-6896-4
ubuntu.com/security/notices/USN-6896-5
ubuntu.com/security/notices/USN-6898-1
ubuntu.com/security/notices/USN-6898-2
ubuntu.com/security/notices/USN-6898-3
ubuntu.com/security/notices/USN-6898-4
ubuntu.com/security/notices/USN-6917-1
ubuntu.com/security/notices/USN-6918-1
ubuntu.com/security/notices/USN-6919-1
ubuntu.com/security/notices/USN-6926-1
ubuntu.com/security/notices/USN-6927-1
ubuntu.com/security/notices/USN-6938-1
www.cve.org/CVERecord?id=CVE-2024-27020