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CVE-2024-26734

devlink: fix possible use-after-free and memory leaks in devlink_init()

HIGH
7.8
CVSS Score
Published: April 3, 2024 at 05:00 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: devlink: fix possible use-after-free and memory leaks in devlink_init() The pernet operations structure for the subsystem must be registered before registering the generic netlink family. Make an unregister in case of unsuccessful registration.

Affected

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

Linux Kernel· Linux
95%
6.3 ≤ v < 6.6.196.3 ≤ v < 6.7.76.3 ≤ v < 6.86.7 ≤ v < 6.7.76.8 rc16.8 rc26.8 rc36.8 rc46.8 rc5687125b5799cd5120437fa455cfccbe8537916ff
Vendor states this is fixed in 919092bd5482b7070ae66d1daef73b600738f3a2 (fixed)
Vendor states this is fixed in def689fc26b9a9622d2e2cb0c4933dd3b1c8071c (fixed)
Vendor states this is fixed in e91d3561e28d7665f4f837880501dc8755f635a9 (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.19 (unaffected)
Vendor states this is fixed in 6.7.7 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/919092bd5482b7070ae66d1daef73b600738f3a2
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/def689fc26b9a9622d2e2cb0c4933dd3b1c8071c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e91d3561e28d7665f4f837880501dc8755f635a9

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401CWE-416

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