CVE-2023-54152

System hang via J1939 lock-order inversion

Published Dec 24, 2025 · Updated Dec 24, 2025

Deadlock in the Linux kernel J1939 transport code allows local users to hang the system during a CAN network-down event. j1939_sk_errqueue() takes j1939_socks_lock while active_session_list_lock is held, reversing the concurrent queue path's lock order. Reachability requires an active TP/ETP transfer, an error-queue subscription, and a concurrent network-down event; the resulting lock cycle blocks kernel progress.

CVSS severity5.5
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Deadlock in the Linux kernel J1939 transport code allows local users to hang the system during a CAN network-down event. j1939_sk_errqueue() takes j1939_socks_lock while active_session_list_lock is held, reversing the concurrent queue path's lock order. Reachability requires an active TP/ETP transfer, an error-queue subscription, and a concurrent network-down event; the resulting lock cycle blocks kernel progress.

The record

CVE
CVE-2023-54152
Published
Dec 24, 2025
Updated
Dec 24, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-833, T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=5.15
  2. Affected versionversion=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <8a581b71cf686b4cd1a85c9c2dfc2fb88382c3b4
  3. Affected versionversion=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <ace6aa2ab5ba5869563ca689bbd912100514ae7b
  4. Affected versionversion=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <d1366b283d94ac4537a4b3a1e8668da4df7ce7e9
  5. Affected versionversion=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <f09ce9d765de1f064ce3919f57c6beb061744784

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.15; version=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <8a581b71cf686b4cd1a85c9c2dfc2fb88382c3b4; version=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <ace6aa2ab5ba5869563ca689bbd912100514ae7b; version=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <d1366b283d94ac4537a4b3a1e8668da4df7ce7e9; version=5b9272e93f2efe3f6cda60cc2c26817b2ce49386 <f09ce9d765de1f064ce3919f57c6beb061744784

Published CVSS scores

5.5NVDCVSS: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

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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-833Deadlock
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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