CVE-2024-46681

pktgen: use cpus_read_lock() in pg_net_init()

Description

In the Linux kernel, the following vulnerability has been resolved: pktgen: use cpus_read_lock() in pg_net_init() I have seen the WARN_ON(smp_processor_id() != cpu) firing in pktgen_thread_worker() during tests. We must use cpus_read_lock()/cpus_read_unlock() around the for_each_online_cpu(cpu) loop. While we are at it use WARN_ON_ONCE() to avoid a possible syslog flood.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/5f5f7366dda8ae870e8305d6e7b3c0c2686cd2cf	patch
https://git.kernel.org/stable/c/979b581e4c69257acab1af415ddad6b2d78a2fa5	patch

Frequently Asked Questions

What is the severity of CVE-2024-46681?: CVE-2024-46681 has been scored as a medium severity vulnerability.
How to fix CVE-2024-46681?: To fix CVE-2024-46681, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-46681 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-46681 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-46681?: CVE-2024-46681 affects Linux Linux, Linux Linux.

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