CVE-2021-47171— net: usb: fix memory leak in smsc75xx_bind
Affected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | d0cad871703b898a442e4049c532ec39168e5b57< 200dbfcad8011e50c3cec269ed7b980836eeb1fa | affected |
d0cad871703b898a442e4049c532ec39168e5b57< 22c840596af0c09068b6cf948616e6496e59e07f | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< 9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< 9e6a3eccb28779710cbbafc4f4258d92509c6d07 | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< b95fb96e6339e34694dd578fb6bde3575b01af17 | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< 635ac38b36255d3cfb8312cf7c471334f4d537e0 | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< 70c886ac93f87ae7214a0c69151a28a8075dd95b | affected | ||
d0cad871703b898a442e4049c532ec39168e5b57< 46a8b29c6306d8bbfd92b614ef65a47c900d8e70 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2021-47171
Vulnerability Information
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Vulnerability Title
net: usb: fix memory leak in smsc75xx_bind
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [<ffffffff84245b62>] kmalloc include/linux/slab.h:556 [inline] [<ffffffff84245b62>] kzalloc include/linux/slab.h:686 [inline] [<ffffffff84245b62>] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [<ffffffff82b5b2e6>] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于 net usb中的 smsc75xx_bind 中存在内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-47171
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-47171 (6)
Same Patch Batch · Linux · 2024-03-25 · 40 CVEs total
| CVE-2021-47170 | USB: usbfs: Don't WARN about excessively large memory allocations | |
| CVE-2021-47161 | spi: spi-fsl-dspi: Fix a resource leak in an error handling path | |
| CVE-2021-47162 | tipc: skb_linearize the head skb when reassembling msgs | |
| CVE-2021-47163 | tipc: wait and exit until all work queues are done | |
| CVE-2021-47164 | net/mlx5e: Fix null deref accessing lag dev | |
| CVE-2021-47165 | drm/meson: fix shutdown crash when component not probed | |
| CVE-2021-47166 | NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() | |
| CVE-2021-47167 | NFS: Fix an Oopsable condition in __nfs_pageio_add_request() | |
| CVE-2021-47168 | NFS: fix an incorrect limit in filelayout_decode_layout() | |
| CVE-2021-47169 | serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait' | |
| CVE-2021-47160 | net: dsa: mt7530: fix VLAN traffic leaks | |
| CVE-2021-47172 | iio: adc: ad7124: Fix potential overflow due to non sequential channel numbers | |
| CVE-2021-47173 | misc/uss720: fix memory leak in uss720_probe | |
| CVE-2021-47174 | netfilter: nft_set_pipapo_avx2: Add irq_fpu_usable() check, fallback to non-AVX2 version | |
| CVE-2021-47175 | net/sched: fq_pie: fix OOB access in the traffic path | |
| CVE-2021-47176 | s390/dasd: add missing discipline function | |
| CVE-2021-47177 | iommu/vt-d: Fix sysfs leak in alloc_iommu() | |
| CVE-2021-47178 | scsi: target: core: Avoid smp_processor_id() in preemptible code | |
| CVE-2021-47179 | NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() | |
| CVE-2021-47180 | NFC: nci: fix memory leak in nci_allocate_device |
Showing top 20 of 40 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
Same vendor: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
V. Comments for CVE-2021-47171
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