5.5
MEDIUM
CVE-2021-47344
Linux kernel ZR364xx USB Driver Memory Leak
Description

In the Linux kernel, the following vulnerability has been resolved: media: zr364xx: fix memory leak in zr364xx_start_readpipe syzbot reported memory leak in zr364xx driver. The problem was in non-freed urb in case of usb_submit_urb() fail. backtrace: [<ffffffff82baedf6>] kmalloc include/linux/slab.h:561 [inline] [<ffffffff82baedf6>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [<ffffffff82f7cce8>] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [<ffffffff84251dfc>] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline] [<ffffffff84251dfc>] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516 [<ffffffff82bb6507>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576

INFO

Published Date :

May 21, 2024, 3:15 p.m.

Last Modified :

Dec. 24, 2024, 4:13 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-2021-47344 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

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-47344.

URL Resource
https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc Patch
https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 Patch
https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa Patch
https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 Patch
https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e Patch
https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 Patch
https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d Patch
https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 Patch
https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f Patch
https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc Patch
https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 Patch
https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa Patch
https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 Patch
https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e Patch
https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 Patch
https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d Patch
https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 Patch
https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f Patch

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-2021-47344 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47344 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]

    Dec. 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
    Added CWE NIST CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 2.6.32 up to (excluding) 4.4.276 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.276 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.240 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.198 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.133 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.51 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.13 up to (excluding) 5.13.3
    Changed Reference Type https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc No Types Assigned https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc Patch
    Changed Reference Type https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc No Types Assigned https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc Patch
    Changed Reference Type https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 No Types Assigned https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 Patch
    Changed Reference Type https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 No Types Assigned https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 Patch
    Changed Reference Type https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa No Types Assigned https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa Patch
    Changed Reference Type https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa No Types Assigned https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa Patch
    Changed Reference Type https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 No Types Assigned https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 Patch
    Changed Reference Type https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 No Types Assigned https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 Patch
    Changed Reference Type https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e No Types Assigned https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e Patch
    Changed Reference Type https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e No Types Assigned https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e Patch
    Changed Reference Type https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 No Types Assigned https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 Patch
    Changed Reference Type https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 No Types Assigned https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 Patch
    Changed Reference Type https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d No Types Assigned https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d Patch
    Changed Reference Type https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d No Types Assigned https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d Patch
    Changed Reference Type https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 No Types Assigned https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 Patch
    Changed Reference Type https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 No Types Assigned https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 Patch
    Changed Reference Type https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f No Types Assigned https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f Patch
    Changed Reference Type https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f No Types Assigned https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc
    Added Reference https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65
    Added Reference https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa
    Added Reference https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235
    Added Reference https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e
    Added Reference https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513
    Added Reference https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d
    Added Reference https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08
    Added Reference https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

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

    May. 21, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: media: zr364xx: fix memory leak in zr364xx_start_readpipe syzbot reported memory leak in zr364xx driver. The problem was in non-freed urb in case of usb_submit_urb() fail. backtrace: [<ffffffff82baedf6>] kmalloc include/linux/slab.h:561 [inline] [<ffffffff82baedf6>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [<ffffffff82f7cce8>] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [<ffffffff84251dfc>] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline] [<ffffffff84251dfc>] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516 [<ffffffff82bb6507>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576
    Added Reference kernel.org https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 [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-2021-47344 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-2021-47344 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: May. 15, 2025 10:02