NetSight
medium5.5

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 zr…

Impact

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

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.32 before 4.4.276
from 4.5 before 4.9.276
from 4.10 before 4.14.240
from 4.15 before 4.19.198
from 4.20 before 5.4.133
from 5.5 before 5.10.51

Weakness classification

References