CVE-2022-49920
High
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: netlink notifier might race to release objects commit release path is invoked via call_rcu and it runs lockless to release the objects after rcu grace period. The netlink notifier handler might win race to remove objects that the transaction context is still referencing from the commit release path. Call rcu_barrier() to ensure pending rcu callbacks run to completion if the list of transactions to be destroyed is not empty.
SeverityHigh
CVSS7.8
Exploit probability4. percentile0.1%
Product
Linux Kernel
PublishedMay 1, 2025
First seenMay 1, 2025
Weakness typeCWE-362Race condition
How to fix
Update
- linux linux_kernel5.15.78, 6.0.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.12 ≤ v < 5.15.78, 5.16 ≤ v < 6.0.8, 6.1 | 5.15.78, 6.0.8 |
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