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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00007.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
d0cad871703b898a442e4049c532ec39168e5b57 affected < 200dbfcad8011e50c3cec269ed7b980836eeb1fa
d0cad871703b898a442e4049c532ec39168e5b57 affected < 22c840596af0c09068b6cf948616e6496e59e07f
d0cad871703b898a442e4049c532ec39168e5b57 affected < 9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc
d0cad871703b898a442e4049c532ec39168e5b57 affected < 9e6a3eccb28779710cbbafc4f4258d92509c6d07
d0cad871703b898a442e4049c532ec39168e5b57 affected < b95fb96e6339e34694dd578fb6bde3575b01af17
d0cad871703b898a442e4049c532ec39168e5b57 affected < 635ac38b36255d3cfb8312cf7c471334f4d537e0
d0cad871703b898a442e4049c532ec39168e5b57 affected < 70c886ac93f87ae7214a0c69151a28a8075dd95b
d0cad871703b898a442e4049c532ec39168e5b57 affected < 46a8b29c6306d8bbfd92b614ef65a47c900d8e70
Linux Linux affected
Version Status Constraints
2.6.34 affected —
0 unaffected < 2.6.34
4.4.271 unaffected ≤ 4.4.*
4.9.271 unaffected ≤ 4.9.*
4.14.235 unaffected ≤ 4.14.*
4.19.193 unaffected ≤ 4.19.*
5.4.124 unaffected ≤ 5.4.*
5.10.42 unaffected ≤ 5.10.*
5.12.9 unaffected ≤ 5.12.*
5.13 unaffected ≤ *

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-553.5.1.rt7.346.el8_10 cpe:/a:redhat:enterprise_linux:8::nfv RHSA-2024:3627 2024-06-05T00:00:00Z
kernel-0:4.18.0-553.5.1.el8_10 cpe:/o:redhat:enterprise_linux:8 RHSA-2024:3618 2024-06-05T00:00:00Z

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/200dbfcad8011e50c3cec269ed7b980836eeb1fa cve-icon cve-icon
https://git.kernel.org/stable/c/22c840596af0c09068b6cf948616e6496e59e07f cve-icon cve-icon
https://git.kernel.org/stable/c/46a8b29c6306d8bbfd92b614ef65a47c900d8e70 cve-icon cve-icon
https://git.kernel.org/stable/c/635ac38b36255d3cfb8312cf7c471334f4d537e0 cve-icon cve-icon
https://git.kernel.org/stable/c/70c886ac93f87ae7214a0c69151a28a8075dd95b cve-icon cve-icon
https://git.kernel.org/stable/c/9e6a3eccb28779710cbbafc4f4258d92509c6d07 cve-icon cve-icon
https://git.kernel.org/stable/c/9e6b8c1ff9d997e1fa16cbd2d60739adf6dc1bbc cve-icon cve-icon
https://git.kernel.org/stable/c/b95fb96e6339e34694dd578fb6bde3575b01af17 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2024032536-CVE-2021-47171-f223@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-47171 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-47171 cve-icon
History

Fri, 20 Dec 2024 08:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 11 Sep 2024 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Wed, 11 Sep 2024 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-05-04T07:05:36.166Z

Reserved: 2024-03-25T09:12:14.111Z

Link: CVE-2021-47171

cve-icon Vulnrichment

Updated: 2024-08-04T05:24:39.965Z

cve-icon NVD

Status : Modified

Published: 2024-03-25T10:15:08.917

Modified: 2024-11-21T06:35:32.923

Link: CVE-2021-47171

cve-icon Redhat

Severity : Low

Publid Date: 2024-03-25T00:00:00Z

Links: CVE-2021-47171 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses