CVE-2021-47344

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47344
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

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link 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
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

24 Dec 2024, 16:13

Type Values Removed Values Added
First Time Linux
Linux linux Kernel
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc - () https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc - Patch
References () https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 - () https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 - Patch
References () https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa - () https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa - Patch
References () https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 - () https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 - Patch
References () https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e - () https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e - Patch
References () https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 - () https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 - Patch
References () https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d - () https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d - Patch
References () https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 - () https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 - Patch
References () https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f - () https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f - Patch
CWE CWE-401
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

21 Nov 2024, 06:35

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc - () https://git.kernel.org/stable/c/021c294dff030f3ba38eb81e400ba123db32ecbc -
References () https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 - () https://git.kernel.org/stable/c/0a045eac8d0427b64577a24d74bb8347c905ac65 -
References () https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa - () https://git.kernel.org/stable/c/0edd6759167295ea9969e89283b81017b4c688aa -
References () https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 - () https://git.kernel.org/stable/c/5f3f81f1c96b501d180021c23c25e9f48eaab235 -
References () https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e - () https://git.kernel.org/stable/c/b0633051a6cb24186ff04ce1af99c7de18c1987e -
References () https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 - () https://git.kernel.org/stable/c/bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513 -
References () https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d - () https://git.kernel.org/stable/c/c57b2bd3247925e253729dce283d6bf6abc9339d -
References () https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 - () https://git.kernel.org/stable/c/c57bfd8000d7677bf435873b440eec0c47f73a08 -
References () https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f - () https://git.kernel.org/stable/c/d69b39d89f362cfeeb54a68690768d0d257b2c8f -
Summary
  • (es) En el kernel de Linux, se resolvió la siguiente vulnerabilidad: medio: zr364xx: corrige la pérdida de memoria en zr364xx_start_readpipe syzbot informó una pérdida de memoria en el controlador zr364xx. El problema estaba en la urb no liberada en caso de que fallara usb_submit_urb(). seguimiento: [] kmalloc include/linux/slab.h:561 [en línea] [] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [] zr364xx_start_readpipe+0x78/ 0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [en línea] [] 0x851 drivers/media/ usb/zr364xx/zr364xx.c:1516 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 []really_probe+0x159/0x500 controladores/base/dd.c:576

21 May 2024, 15:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-21 15:15

Updated : 2024-12-24 16:13

NVD link : CVE-2021-47344

Mitre link : CVE-2021-47344

CVE.ORG link : CVE-2021-47344

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime