Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-47344

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
21/05/2024
Last modified:
24/12/2024

Description

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

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 2.6.32 (including) 4.4.276 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.5 (including) 4.9.276 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.10 (including) 4.14.240 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.15 (including) 4.19.198 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20 (including) 5.4.133 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.51 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.12.18 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.13 (including) 5.13.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools