SB20240603125 - Input validation error in Linux kernel net usb driver
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603125
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2021-47495)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the drivers/net/usb/usbnet.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b9eba0a4a527e04d712f0e0401e5391ef124b33e
- https://git.kernel.org/stable/c/524f333e98138d909a0a0c574a9ff6737dce2767
- https://git.kernel.org/stable/c/74b3b27cf9fecce00cd8918b7882fd81191d0aa4
- https://git.kernel.org/stable/c/002d82227c0abe29118cf80f7e2f396b22d448ed
- https://git.kernel.org/stable/c/492140e45d2bf27c1014243f8616a9b612144e20
- https://git.kernel.org/stable/c/693ecbe8f799405f8775719deedb1f76265d375a
- https://git.kernel.org/stable/c/7e8b6a4f18edee070213cb6a77118e8a412253c5
- https://git.kernel.org/stable/c/397430b50a363d8b7bdda00522123f82df6adc5e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.254
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.289
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.77
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.157