CVE-2021-47344

media: zr364xx: fix memory leak in zr364xx_start_readpipe

State: Published
Severity: Not scored
Published: May 21, 2024
Updated: May 11, 2026
Reserved: May 21, 2024

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

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	ccbf035ae5de4c535160fc99f73feb44cc55b534 to before c57b2bd3247925e253729dce283d6bf6abc9339dAffected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513Affected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before b0633051a6cb24186ff04ce1af99c7de18c1987eAffected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 021c294dff030f3ba38eb81e400ba123db32ecbcAffected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 0edd6759167295ea9969e89283b81017b4c688aaAffected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before c57bfd8000d7677bf435873b440eec0c47f73a08Affected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 5f3f81f1c96b501d180021c23c25e9f48eaab235Affected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before d69b39d89f362cfeeb54a68690768d0d257b2c8fAffected ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 0a045eac8d0427b64577a24d74bb8347c905ac65Affected
LinuxLinux	2.6.32Affected before 2.6.32Not affected 4.4.276 through 4.4.Not affected 4.9.276 through 4.9.Not affected 4.14.240 through 4.14.Not affected 4.19.198 through 4.19.Not affected 5.4.133 through 5.4.Not affected 5.10.51 through 5.10.Not affected 5.12.18 through 5.12.Not affected 5.13.3 through 5.13.Not affected 5.14 and laterNot affected

Product

Versions

LinuxLinux

ccbf035ae5de4c535160fc99f73feb44cc55b534 to before c57b2bd3247925e253729dce283d6bf6abc9339dAffected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before bbc80a972a3c5d7eba3f6c9c07af8fea42f5c513Affected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before b0633051a6cb24186ff04ce1af99c7de18c1987eAffected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 021c294dff030f3ba38eb81e400ba123db32ecbcAffected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 0edd6759167295ea9969e89283b81017b4c688aaAffected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before c57bfd8000d7677bf435873b440eec0c47f73a08Affected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 5f3f81f1c96b501d180021c23c25e9f48eaab235Affected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before d69b39d89f362cfeeb54a68690768d0d257b2c8fAffected
ccbf035ae5de4c535160fc99f73feb44cc55b534 to before 0a045eac8d0427b64577a24d74bb8347c905ac65Affected

LinuxLinux

2.6.32Affected
before 2.6.32Not affected
4.4.276 through 4.4.*Not affected
4.9.276 through 4.9.*Not affected
4.14.240 through 4.14.*Not affected
4.19.198 through 4.19.*Not affected
5.4.133 through 5.4.*Not affected
5.10.51 through 5.10.*Not affected
5.12.18 through 5.12.*Not affected
5.13.3 through 5.13.*Not affected
5.14 and laterNot affected

References

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