CVE-2024-46681

CVE-2024-46681

Medium · published September 13, 2024

CVSS v3.1
5.5
EPSS
0%
Percentile
13.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00233 · 13.4th percentile
Published
2024-09-13T10:15Z
Affected products (6)
ProductVersionsFixed in
linux/linux_kernel≥ 2.6.12, < 6.10.86.10.8
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (3)
https://git.kernel.org/stable/c/5f5f7366dda8ae870e8305d6e7b3c0c2686cd2cf · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7eed5b3115ce9e057bf64c3f6be9ea72f8298e4e · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/979b581e4c69257acab1af415ddad6b2d78a2fa5 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 13 SEP 05:29Z
    pktgen: use cpus_read_lock() in pg_net_init()
    cvelistv5