Vulnary
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Critical· 10

CVE-2024-56719

A critical vulnerability in the Linux kernel's stmmac network driver causes out-of-bounds memory access during TSO DMA operations, leading to system crashes. The issue arises from incorrect handling of DMA cookies when processing non-paged SKB data.

publishedDec 29, 2024
last modifiedAug 4, 2026
sourcesNVD
severity · cvss
10
critical · how bad it is
exploitation · epss
<1%
11th 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 Sep 18, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Linux kernel users, specifically version 6.13

02

Real-world impact

Can cause system crashes (oops) and DMA API errors, potentially leading to service disruption.

03

Why this severity

CVSS 10 (critical): High confidence in exploitation and severe impact on system stability.

04

What to do about it

no official fix yet
interim mitigations
  • ›Avoid using TSO (TCP Segmentation Offloading) if possible until a kernel update is available.
  • ›Monitor for kernel updates that may include the fix from commit 66600fac7a98.

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

NVD description and Linux kernel commit history

05

Timeline

  1. Dec 29, 2024 · Dec 29, 2024
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Aug 4, 2026 · 2d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeChanged
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 →