---
id: CVE-2024-56679
title: 'octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c'
summary: |-
  In the Linux kernel, the following vulnerability has been resolved:

  octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c

  Add error pointer check after calling otx2_mbox_get_rsp().
severity: none
vendor: Linux
product: Linux
affected:
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    785c6758ea32aca73ba9331f7d902f7ce9a25757
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    9265b6ee754226f61bd122ec57141a781d4e0dcb
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    52c63a6a27d3178fab533fcfb4baa2ed5b8608a3
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    4b88b202cf1ae79159a94fff9500f9be31559235
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    d4d5139d280f5837f16d116614c05c2b4eeaf28f
  - >-
    Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 <
    0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3
  - Linux 5.12
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-05T20:29:44.026656Z'
published: '2024-12-28'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T20:31:25.716Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-56679'
references:
  - url: 'https://git.kernel.org/stable/c/785c6758ea32aca73ba9331f7d902f7ce9a25757'
  - url: 'https://git.kernel.org/stable/c/9265b6ee754226f61bd122ec57141a781d4e0dcb'
  - url: 'https://git.kernel.org/stable/c/52c63a6a27d3178fab533fcfb4baa2ed5b8608a3'
  - url: 'https://git.kernel.org/stable/c/4b88b202cf1ae79159a94fff9500f9be31559235'
  - url: 'https://git.kernel.org/stable/c/d4d5139d280f5837f16d116614c05c2b4eeaf28f'
  - url: 'https://git.kernel.org/stable/c/0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3'
tags:
  - cve.org
epss: 0.00222
epssPercentile: 0.12882
ingestedAt: '2026-11-05T22:38:31.836Z'
---

## Overview

In the Linux kernel, the following vulnerability has been resolved:

octeontx2-pf: handle otx2_mbox_get_rsp errors in otx2_common.c

Add error pointer check after calling otx2_mbox_get_rsp().

## Affected

- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < 785c6758ea32aca73ba9331f7d902f7ce9a25757`
- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < 9265b6ee754226f61bd122ec57141a781d4e0dcb`
- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < 52c63a6a27d3178fab533fcfb4baa2ed5b8608a3`
- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < 4b88b202cf1ae79159a94fff9500f9be31559235`
- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < d4d5139d280f5837f16d116614c05c2b4eeaf28f`
- `Linux >= ab58a416c93f134b72ec7e10d8d74509c3985243 < 0fbc7a5027c6f7f2c785adae3dcec22b2f2b69b3`
- `Linux 5.12`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.