5.5
MEDIUM
CVE-2024-46719
Linux Kernel usb AlterMode Null Pointer Dereference
Description

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix null pointer dereference in trace ucsi_register_altmode checks IS_ERR for the alt pointer and treats NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled, ucsi_register_displayport returns NULL which causes a NULL pointer dereference in trace. Rather than return NULL, call typec_port_register_altmode to register DisplayPort alternate mode as a non-controllable mode when CONFIG_TYPEC_DP_ALTMODE is not enabled.

INFO

Published Date :

Sept. 18, 2024, 7:15 a.m.

Last Modified :

Sept. 20, 2024, 6:21 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-2024-46719 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

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-2024-46719 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-46719 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]

    Sep. 20, 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/3aa56313b0de06ce1911950b2cc0c269614a87a9 No Types Assigned https://git.kernel.org/stable/c/3aa56313b0de06ce1911950b2cc0c269614a87a9 Patch
    Changed Reference Type https://git.kernel.org/stable/c/3b9f2d9301ae67070fe77a0c06758722fd7172b7 No Types Assigned https://git.kernel.org/stable/c/3b9f2d9301ae67070fe77a0c06758722fd7172b7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/7e64cabe81c303bdf6fd26b6a09a3289b33bc870 No Types Assigned https://git.kernel.org/stable/c/7e64cabe81c303bdf6fd26b6a09a3289b33bc870 Patch
    Changed Reference Type https://git.kernel.org/stable/c/8095bf0579ed4906a33f7bec675bfb29b6b16a3b No Types Assigned https://git.kernel.org/stable/c/8095bf0579ed4906a33f7bec675bfb29b6b16a3b Patch
    Changed Reference Type https://git.kernel.org/stable/c/99331fe68a8eaa4097143a33fb0c12d5e5e8e830 No Types Assigned https://git.kernel.org/stable/c/99331fe68a8eaa4097143a33fb0c12d5e5e8e830 Patch
    Changed Reference Type https://git.kernel.org/stable/c/99516f76db48e1a9d54cdfed63c1babcee4e71a5 No Types Assigned https://git.kernel.org/stable/c/99516f76db48e1a9d54cdfed63c1babcee4e71a5 Patch
    Changed Reference Type https://git.kernel.org/stable/c/b4243c05d7e3db0bdbf9124e6fa59b4ca7c807ae No Types Assigned https://git.kernel.org/stable/c/b4243c05d7e3db0bdbf9124e6fa59b4ca7c807ae Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.284 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.226 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.167 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.109 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.50 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.10.9
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 18, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix null pointer dereference in trace ucsi_register_altmode checks IS_ERR for the alt pointer and treats NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled, ucsi_register_displayport returns NULL which causes a NULL pointer dereference in trace. Rather than return NULL, call typec_port_register_altmode to register DisplayPort alternate mode as a non-controllable mode when CONFIG_TYPEC_DP_ALTMODE is not enabled.
    Added Reference kernel.org https://git.kernel.org/stable/c/8095bf0579ed4906a33f7bec675bfb29b6b16a3b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7e64cabe81c303bdf6fd26b6a09a3289b33bc870 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/3aa56313b0de06ce1911950b2cc0c269614a87a9 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/b4243c05d7e3db0bdbf9124e6fa59b4ca7c807ae [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/3b9f2d9301ae67070fe77a0c06758722fd7172b7 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/99331fe68a8eaa4097143a33fb0c12d5e5e8e830 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/99516f76db48e1a9d54cdfed63c1babcee4e71a5 [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-2024-46719 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-2024-46719 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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