CVE-2024-47661None▾ Sunlit

drm/amd/display: Avoid overflow from uint32_t to uint8_t

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid overflow from uint32_t to uint8_t [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing …

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score3/ 100 · Minimal

impact 2.8 · likelihood 0.1 · exploitation 0

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Proof of concept

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Published

Oct 9, 2024

Updated

Oct 21, 2026

CVSS

—

Vendor

Linux

Product

Linux

CWE

—

Depth score

3 · Minimal

EPSS

0.25% · p17

Platforms

—

Source

CVEORG

Vector

—

CISA SSVC

decided 2024-10-10

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 21.

0.2% → 0.3%▲ 0.07%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

4 events · 747 days

Oct 9, 2024Published
Disclosed via CVEORG
Oct 21, 2026Record revised
Last analysed / modified upstream
Oct 21, 2026EPSS first tracked
0.2%
Oct 26, 2026EPSS peak
0.2% → 0.3%

Linux #cve.org

Affected

Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 6fc6ef4cd858a45479fed881e326d2449a2c9e51
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 30d1b783b6eeaf49d311a072c70d618d993d01ec
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < d6b54900c564e35989cf6813e4071504fa0a90e0
Linux 4.15

Full technical detail▾

Overview

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

drm/amd/display: Avoid overflow from uint32_t to uint8_t

[WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF.

This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.

Affected

Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 6fc6ef4cd858a45479fed881e326d2449a2c9e51
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 30d1b783b6eeaf49d311a072c70d618d993d01ec
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < d6b54900c564e35989cf6813e4071504fa0a90e0
Linux 4.15

Remediation

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

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#cve.org

drm/amd/display: Avoid overflow from uint32_t to uint8_t

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score3/ 100 · Minimal

impact 2.8 · likelihood 0.1 · exploitation 0

Overview

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

drm/amd/display: Avoid overflow from uint32_t to uint8_t

[WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF.

This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.