CVE-2024-50170

Local service interruption via leaked transmit buffers

Published Nov 7, 2024 · Updated Aug 5, 2026

Memory leakage in the bcmasp network driver in affected Linux kernels allows local users to interrupt service through failed DMA mappings. The bcmasp_xmit function returns NETDEV_TX_OK after dma_map_single fails without releasing the associated socket buffer. Exploitation requires low-privileged local access and the Broadcom ASP 2.0 Ethernet driver; repeated failures can exhaust kernel memory.

CVSS severity5.5
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory leakage in the bcmasp network driver in affected Linux kernels allows local users to interrupt service through failed DMA mappings. The bcmasp_xmit function returns NETDEV_TX_OK after dma_map_single fails without releasing the associated socket buffer. Exploitation requires low-privileged local access and the Broadcom ASP 2.0 Ethernet driver; repeated failures can exhaust kernel memory.

The record

CVE
CVE-2024-50170
Published
Nov 7, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-401, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=490cb412007de593e07c1d3e2b1ec4233886707c <7218de0778aefbbbcfe474a55f88bbf6f244627d
  2. Affected versionversion=490cb412007de593e07c1d3e2b1ec4233886707c <f689f20d3e09f2d4d0a2c575a9859115a33e68bd
  3. Affected versionversion=490cb412007de593e07c1d3e2b1ec4233886707c <fed07d3eb8a8d9fcc0e455175a89bc6445d6faed
  4. Affected versionversion=6.6

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=490cb412007de593e07c1d3e2b1ec4233886707c <7218de0778aefbbbcfe474a55f88bbf6f244627d; version=490cb412007de593e07c1d3e2b1ec4233886707c <f689f20d3e09f2d4d0a2c575a9859115a33e68bd; version=490cb412007de593e07c1d3e2b1ec4233886707c <fed07d3eb8a8d9fcc0e455175a89bc6445d6faed; version=6.6

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-401Missing Release of Memory after Effective Lifetime
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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