CVE-2023-42756CWE-362

Kernel: netfilter: race condition between ipset_cmd_add and ipset_cmd_swap

Medium · published September 28, 2023

CVSS v3.1
4.4
EPSS
0%
Percentile
18.7
In the wild
Unconfirmed
What it is

A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash the system.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00274 · 18.7th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2023-09-28T13:55Z
EPSS history
Timeline
  • 28 SEP 13:55Z
    Kernel: netfilter: race condition between ipset_cmd_add and ipset_cmd_swap
    cvelistv5