CVE-2022-49920

Severity CVSS v4.0:
Pending analysis
Type:
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Publication date:
01/05/2025
Last modified:
01/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> netfilter: nf_tables: netlink notifier might race to release objects<br /> <br /> commit release path is invoked via call_rcu and it runs lockless to<br /> release the objects after rcu grace period. The netlink notifier handler<br /> might win race to remove objects that the transaction context is still<br /> referencing from the commit release path.<br /> <br /> Call rcu_barrier() to ensure pending rcu callbacks run to completion<br /> if the list of transactions to be destroyed is not empty.

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.12 (including) 5.15.78 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.0.8 (excluding)
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*