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Linux CVE-2026-31559

| EUVDEUVD-2026-25452 MEDIUM
NULL Pointer Dereference (CWE-476)
2026-04-24 Linux GHSA-jj4r-h87w-8r6g
Null Pointer Dereference Linux Denial Of Service Red Hat Suse
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

5
CVSS changed
Apr 27, 2026 - 20:22 NVD
5.5 (MEDIUM)
Patch released
Apr 27, 2026 - 20:13 nvd
Patch available
Patch available
Apr 24, 2026 - 16:16 EUVD
EUVD ID Assigned
Apr 24, 2026 - 15:00 euvd
EUVD-2026-25452
CVE Published
Apr 24, 2026 - 14:35 nvd
MEDIUM 5.5

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved:

LoongArch: Fix missing NULL checks for kstrdup()

  1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple

calls to "of_node_put()".

  1. Fix a potential kernel oops during early boot when memory allocation

fails while parsing CPU model from device tree.

Analysis

In the Linux kernel, the following vulnerability has been resolved:

LoongArch: Fix missing NULL checks for kstrdup()

  1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple

calls to "of_node_put()".

  1. Fix a potential kernel oops during early boot when memory allocation

fails while parsing CPU model from device tree.

Same weakness CWE-476 – NULL Pointer Dereference

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CVE-2017-3730 HIGH POC
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CVE-2017-3169 CRITICAL POC
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CVE-2016-4957 HIGH
7.5
CVE-2015-3194 HIGH
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CVE-2026-21525 MEDIUM
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CVE-2017-0016 MEDIUM
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Same technique Null Pointer Dereference

View all
CVE-2016-0742 HIGH
7.5
CVE-2014-3470 MEDIUM
4.3
CVE-2017-3730 HIGH POC
7.5
CVE-2017-3169 CRITICAL POC
9.8
CVE-2016-4957 HIGH
7.5
CVE-2015-3194 HIGH
7.5
CVE-2026-21525 MEDIUM
6.2
CVE-2017-0016 MEDIUM
5.9

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Availability Extension 15 SP7 Fixed
SUSE Linux Enterprise High Availability Extension 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed

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CVE-2026-31559 vulnerability details – vuln.today
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