CVE-2021-47495

MEDIUM

Linux Kernel < 4.4.291 - Denial of Service via USB Network Driver Maxpacket Divide By Zero

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: usbnet: sanity check for maxpacket maxpacket of 0 makes no sense and oopses as we need to divide by it. Give up. V2: fixed typo in log and stylistic issues

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 11.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-369
Status published
Products (20)
Linux/Linux < 2.6.12
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 002d82227c0abe29118cf80f7e2f396b22d448ed
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 397430b50a363d8b7bdda00522123f82df6adc5e
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 492140e45d2bf27c1014243f8616a9b612144e20
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 524f333e98138d909a0a0c574a9ff6737dce2767
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 693ecbe8f799405f8775719deedb1f76265d375a
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 74b3b27cf9fecce00cd8918b7882fd81191d0aa4
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 7e8b6a4f18edee070213cb6a77118e8a412253c5
Linux/Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - b9eba0a4a527e04d712f0e0401e5391ef124b33e
Linux/Linux 2.6.12
... and 10 more
Published May 22, 2024
Tracked Since Feb 18, 2026