Vulnary
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Critical· 9.8official fix available

CVE-2025-38123

A critical vulnerability in the Linux kernel's wireless networking driver (t7xx) could cause system crashes when handling network packets. The issue arises when the driver uses an invalid network device pointer after a connection is terminated.

publishedJul 3, 2025
last modifiedJul 30, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
32th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 29, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Users of the Linux kernel (specifically the t7xx wireless driver component)

02

Real-world impact

Could lead to kernel panics (system crashes) during network operations, potentially causing service disruptions.

03

Why this severity

CVSS 9.8 (Critical): High risk of exploitation and system instability.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade the Linux kernel to the patched version that includes the fix for CVE-2025-38123.
  2. 02Ensure the kernel update is applied to all affected systems.

NVD description of the resolved vulnerability in the Linux kernel

05

Timeline

  1. Jul 3, 2025 · Jul 3, 2025
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 30, 2026 · 7d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 30, 2026 · 6d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →