Linux Kernel up to 6.18.9 wifi skb_push privilege escalation

CVSS Meta Temp Score
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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 6.18.9. It has been rated as critical. This affects the function skb_push of the component wifi. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2025-71222. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.18.9 and classified as critical. This issue affects the function skb_push of the component wifi. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: ensure skb headroom before skb_push This avoids occasional skb_under_panic Oops from wl1271_tx_work. In this case, headroom is less than needed (typically 110 - 94 = 16 bytes).

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2025-71222 since 02/14/2026. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/06/2026).

The vulnerability scanner Nessus provides a plugin with the ID 299104 (Linux Distros Unpatched Vulnerability : CVE-2025-71222), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.250, 5.15.200, 6.1.163, 6.6.124, 6.12.70 or 6.18.10 eliminates this vulnerability. Applying the patch 88295a55fefe5414e64293638b6f7549646e58ed/cd89a4656c03f8db0c57350aaec69cd3cfaa3522/745a0810dbc96a0471e5f5e627ba1e978c3116d4/b167312390fdd461c81ead516f2b0b44e83a9edb/71de0b6e04bbee5575caf9a1e4d424e7dcc50018/689a7980e4788e13e766763d53569fb78dea2513/e75665dd096819b1184087ba5718bd93beafff51 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 (299104) and CERT Bund (WID-SEC-2026-0421). Several companies clearly confirm that VulDB is the primary source for best 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
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • IBM QRadar SIEM

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: 299104
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-71222

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.250/5.15.200/6.1.163/6.6.124/6.12.70/6.18.10
Patch: 88295a55fefe5414e64293638b6f7549646e58ed/cd89a4656c03f8db0c57350aaec69cd3cfaa3522/745a0810dbc96a0471e5f5e627ba1e978c3116d4/b167312390fdd461c81ead516f2b0b44e83a9edb/71de0b6e04bbee5575caf9a1e4d424e7dcc50018/689a7980e4788e13e766763d53569fb78dea2513/e75665dd096819b1184087ba5718bd93beafff51

Timelineinfo

02/14/2026 Advisory disclosed
02/14/2026 +0 days CVE reserved
02/14/2026 +0 days VulDB entry created
05/06/2026 +81 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-71222 (🔒)
GCVE (CVE): GCVE-0-2025-71222
GCVE (VulDB): GCVE-100-346073
CERT Bund: WID-SEC-2026-0421 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 02/14/2026 18:56
Updated: 05/06/2026 05:18
Changes: 02/14/2026 18:56 (58), 02/15/2026 13:07 (2), 02/19/2026 13:32 (1), 03/19/2026 21:00 (10), 05/06/2026 05:18 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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