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CVE-2024-27020 Detail

Description

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.


Metrics

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f Patch 
https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f Patch 
https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907 Patch 
https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907 Patch 
https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5 Patch 
https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5 Patch 
https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05 Patch 
https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05 Patch 
https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a Patch 
https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a Patch 
https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b Patch 
https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b Patch 
https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c Patch 
https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c Patch 
https://git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf Patch 
https://git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf Patch 
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST   CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-27020
NVD Published Date:
05/01/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org