Linux Kernel up to 7.0-rc2 mtk_eth_soc mtk_xdp_setup privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 7.0-rc2. It has been rated as critical. This affects the function mtk_xdp_setup of the component mtk_eth_soc. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2026-23284. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 7.0-rc2 and classified as critical. This issue affects the function mtk_xdp_setup of the component mtk_eth_soc. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: Reset prog ptr to old_prog in case of error in mtk_xdp_setup() Reset eBPF program pointer to old_prog and do not decrease its ref-count if mtk_open routine in mtk_xdp_setup() fails.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2026-23284 since 01/13/2026. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/01/2026).

The vulnerability scanner Nessus provides a plugin with the ID 311783 (Debian dla-4561 : linux-config-6.1 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.167, 6.6.130, 6.12.77, 6.18.17, 6.19.7 or 7.0-rc3 eliminates this vulnerability. Applying the patch 8c2d76a9658a4dbfcf02f2693a97e2d5ff42197a/29629dd7d37349e9fb605375a75de44ac8926ea9/b73dfe1ea7be7a072482434643b517d7726f4c8d/6f95b59520278a72df9905db791b7ea31375fbc1/ff14cd44c85c20ad69479db73698185de291550c/0abc73c8a40fd64ac1739c90bb4f42c418d27a5e is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (311783) and CERT Bund (WID-SEC-2026-0861). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • F5 BIG-IP

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 311783
Nessus Name: Debian dla-4561 : linux-config-6.1 - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.1.167/6.6.130/6.12.77/6.18.17/6.19.7/7.0-rc3
Patch: 8c2d76a9658a4dbfcf02f2693a97e2d5ff42197a/29629dd7d37349e9fb605375a75de44ac8926ea9/b73dfe1ea7be7a072482434643b517d7726f4c8d/6f95b59520278a72df9905db791b7ea31375fbc1/ff14cd44c85c20ad69479db73698185de291550c/0abc73c8a40fd64ac1739c90bb4f42c418d27a5e

Timelineinfo

01/13/2026 CVE reserved
03/25/2026 +71 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
07/01/2026 +98 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-23284 (🔒)
GCVE (CVE): GCVE-0-2026-23284
GCVE (VulDB): GCVE-100-353003
CERT Bund: WID-SEC-2026-0861 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 03/25/2026 12:07
Updated: 07/01/2026 17:48
Changes: 03/25/2026 12:07 (58), 03/25/2026 19:23 (7), 03/29/2026 23:37 (1), 05/03/2026 18:48 (2), 05/22/2026 02:33 (10), 06/16/2026 14:08 (1), 07/01/2026 17:48 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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