CVEvulnerability
CVE-2021-47344
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-05-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-401
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
Affected configurations
• linux linux kernel (>= 2.6.32 < 4.4.276)
• linux linux kernel (>= 4.5 < 4.9.276)
• linux linux kernel (>= 4.10 < 4.14.240)
• linux linux kernel (>= 4.15 < 4.19.198)
• linux linux kernel (>= 4.20 < 5.4.133)
• linux linux kernel (>= 5.5 < 5.10.51)
• linux linux kernel (>= 5.11 < 5.12.18)
• linux linux kernel (>= 5.13 < 5.13.3)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- 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