0.0
NA
CVE-2021-47165
Meson DRM Use-After-Free Null Pointer Dereference Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.

INFO

Published Date :

March 25, 2024, 10:15 a.m.

Last Modified :

March 25, 2024, 1:47 p.m.

Source :

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

Remotely Exploitable :

No

Impact Score :

Exploitability Score :

Affected Products

The following products are affected by CVE-2021-47165 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
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47165.

URL Resource
https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68

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-2021-47165 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47165 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 25, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.
    Added Reference kernel.org https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 [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-2021-47165 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-2021-47165 weaknesses.

NONE - Vulnerability Scoring System
: