5.5
MEDIUM
CVE-2024-47704
AMD Display NULL Pointer Dereference Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_res->hpo_dp_link_enc before using it [WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.

INFO

Published Date :

Oct. 21, 2024, 12:15 p.m.

Last Modified :

Oct. 24, 2024, 1:34 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2024-47704 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-47704 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-47704 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 24, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c No Types Assigned https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c Patch
    Changed Reference Type https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 No Types Assigned https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 Patch
    Changed Reference Type https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 No Types Assigned https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 Patch
    Changed Reference Type https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 No Types Assigned https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.6.55 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.10.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.2
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 21, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_res->hpo_dp_link_enc before using it [WHAT & HOW] Functions dp_enable_link_phy and dp_disable_link_phy can pass link_res without initializing hpo_dp_link_enc and it is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
    Added Reference kernel.org https://git.kernel.org/stable/c/be2ca7a2c1561390d28bf2f92654d819659ba510 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/530e29452b955c30cf2102fa4d07420dc6e0c953 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/0508a4e95ac1aefd851ceb97ea050d8abb93262c [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/0beca868cde8742240cd0038141c30482d2b7eb8 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-47704 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-47704 weaknesses.

CVSS31 - Vulnerability Scoring System
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