---
id: CVE-2024-49894
title: >-
  In the Linux kernel, the following vulnerability has been resolved:


  drm/amd/display: Fix index out of bounds in degamma hardware format
  translation


  Fixes index out of bounds issue in

  `cm_helper_translate_curve_to_degamma_hw_format` fun…
summary: >-
  In the Linux kernel, the following vulnerability has been resolved:


  drm/amd/display: Fix index out of bounds in degamma hardware format
  translation


  Fixes index out of bounds issue in

  `cm_helper_translate_curve_to_degamma_hw_format` fun…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H'
cwe:
  - CWE-129
vendor: siemens
product: simatic_s7-1500_tm_mfp_firmware
affected:
  - simatic_s7-1500_tm_mfp_firmware = 1.1
  - debian_linux = 11.0
  - 'linux_kernel >= 4.15, < 4.19.323'
  - 'linux_kernel >= 4.20, < 5.4.285'
  - 'linux_kernel >= 5.5, < 5.10.227'
  - 'linux_kernel >= 5.11, < 5.15.168'
  - 'linux_kernel >= 5.16, < 6.1.113'
  - 'linux_kernel >= 6.2, < 6.6.55'
  - 'linux_kernel >= 6.7, < 6.10.14'
  - 'linux_kernel >= 6.11, < 6.11.3'
  - sinec_os < 3.2
patched:
  - linux_kernel 6.11.3
  - sinec_os 3.2
published: '2024-10-21'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T01:19:00.307'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-49894'
references:
  - url: 'https://git.kernel.org/stable/c/07078fa5d589a7fbce8f81ea8acf7aa0021ab38e'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/122e3a7a8c7bcbe3aacddd6103f67f9f36bed473'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/2495c8e272d84685403506833a664fad932e453a'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/2f5da549535be8ccd2ab7c9abac8562ad370b181'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b3dfa878257a7e98830b3009ca5831a01d8f85fc'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/b7e99058eb2e86aabd7a10761e76cae33d22b49f'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c130a3c09e3746c1a09ce26c20d21d449d039b1d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/c6979719012a90e5b8e3bc31725fbfdd0b9b2b79'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://git.kernel.org/stable/c/f5f6d90087131812c1e4b9d3103f400f1624396d'
    label: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
  - url: 'https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-265688.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
  - url: 'https://cert-portal.siemens.com/productcert/html/ssa-355557.html'
    label: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
tags:
  - nvd
  - cve.org
epss: 0.00327
epssPercentile: 0.24142
ingestedAt: '2026-10-15T03:30:12.753Z'
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-10-22T13:43:53.969023Z'
---

## Overview

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

drm/amd/display: Fix index out of bounds in degamma hardware format translation

Fixes index out of bounds issue in
`cm_helper_translate_curve_to_degamma_hw_format` function. The issue
could occur when the index 'i' exceeds the number of transfer function
points (TRANSFER_FUNC_POINTS).

The fix adds a check to ensure 'i' is within bounds before accessing the
transfer function points. If 'i' is out of bounds the function returns
false to indicate an error.

Reported by smatch:
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:594 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.red' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:595 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.green' 1025 <= s32max
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_cm_common.c:596 cm_helper_translate_curve_to_degamma_hw_format() error: buffer overflow 'output_tf->tf_pts.blue' 1025 <= s32max

## Affected

- `simatic_s7-1500_tm_mfp_firmware = 1.1`
- `debian_linux = 11.0`
- `linux_kernel >= 4.15, < 4.19.323`
- `linux_kernel >= 4.20, < 5.4.285`
- `linux_kernel >= 5.5, < 5.10.227`
- `linux_kernel >= 5.11, < 5.15.168`
- `linux_kernel >= 5.16, < 6.1.113`
- `linux_kernel >= 6.2, < 6.6.55`
- `linux_kernel >= 6.7, < 6.10.14`
- `linux_kernel >= 6.11, < 6.11.3`
- `sinec_os < 3.2`

## Remediation

Upgrade past the affected range:

- `linux_kernel 6.11.3`
- `sinec_os 3.2`