CVE-2024-56716

netdevsim: prevent bad user input in nsim_dev_health_break_write()

MEDIUM
5.5
CVSS Score
Published: December 29, 2024 at 08:48 AM UTC
Updated: June 17, 2026 at 08:12 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: netdevsim: prevent bad user input in nsim_dev_health_break_write() If either a zero count or a large one is provided, kernel can crash.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.11 ≤ v < 5.15.1765.16 ≤ v < 6.1.1225.5 ≤ v < 5.10.2335.5 ≤ v < 5.15.1765.5 ≤ v < 6.1.1225.5 ≤ v < 6.12.75.5 ≤ v < 6.135.5 ≤ v < 6.6.686.2 ≤ v < 6.6.686.7 ≤ v < 6.12.76.13 rc16.13 rc26.13 rc382c93a87bf8bc0cdb5ec2ab99da7d87715ff889f
Vendor states this is fixed in 470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b (fixed)
Vendor states this is fixed in 81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc (fixed)
Vendor states this is fixed in 8e9ef6bdf71bf25f4735e0230ce1919de8985835 (fixed)
Vendor states this is fixed in b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181 (fixed)
Vendor states this is fixed in d10321be26ff9e9e912697e9e8448099654ff561 (fixed)
Vendor states this is fixed in ee76746387f6233bdfa93d7406990f923641568f (fixed)
Vendor states this is fixed in 5.10.233 (unaffected)
Vendor states this is fixed in 5.15.176 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)
Vendor states this is fixed in 6.1.122 (unaffected)
Vendor states this is fixed in 6.12.7 (unaffected)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.6.68 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/470c5ecbac2f19b1cdee2a6ce8d5650c3295c94b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/81bdfcd6e6a998e219c9dd49ec7291c2e0594bbc
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8e9ef6bdf71bf25f4735e0230ce1919de8985835
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/b3a6daaf7cfb2de37b89fd7a5a2ad4ea9aa3e181
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d10321be26ff9e9e912697e9e8448099654ff561
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ee76746387f6233bdfa93d7406990f923641568f
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1284

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