Dashboard / CVE-2023-42756

CVE-2023-42756

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 24/100
Published: 2023-09-28 Modified: 2026-11-07 First seen: 2026-11-01 Status: active

Attack Surface

No Interaction

CVSS Vector Breakdown

AV: Local
AC: High
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

Description

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.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
debian debian_linux 10.0
fedoraproject fedora 37
fedoraproject fedora 38
fedoraproject fedora 39
linux linux_kernel < 6.6
linux linux_kernel 6.6
linux linux_kernel 6.6
redhat enterprise_linux 9.0

References & Advisories (8)

https://access.redhat.com/errata/RHSA-2024:2394
vendor-advisory x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2239848
issue-tracking x_refsource_REDHAT

Bug Bounty Relevance

24 / 100
✓ No user interaction

CVSS Score

4.7 / 10.0 v3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.27%
Raw Score 0.002740
Percentile 20.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00274
2026-11-12
0.00274
2026-11-10
0.00274
2026-11-09
0.00274
2026-11-08
0.00274
2026-11-07
0.00274
2026-11-06
0.00274
2026-11-05
0.00274
2026-11-04
0.00274
2026-11-03
0.00274
2026-11-02
0.00274
2026-11-01
0.00274
2026-10-31
0.00274

Intelligence Sources

mitre ref →
nvd ref →

External Links