SB2024040240 - Memory leak in Linux kernel usbhid
Published: April 2, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024040240
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) Memory leak (CVE-ID: CVE-2021-46906)
The vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the hid_submit_ctrl() function in drivers/hid/usbhid/hid-core.c. A local user can force the driver to leak memory and perform denial of service attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/c5d3c142f2d57d40c55e65d5622d319125a45366
- https://git.kernel.org/stable/c/41b1e71a2c57366b08dcca1a28b0d45ca69429ce
- https://git.kernel.org/stable/c/8c064eece9a51856f3f275104520c7e3017fc5c0
- https://git.kernel.org/stable/c/0e280502be1b003c3483ae03fc60dea554fcfa82
- https://git.kernel.org/stable/c/7f5a4b24cdbd7372770a02f23e347d7d9a9ac8f1
- https://git.kernel.org/stable/c/b1e3596416d74ce95cc0b7b38472329a3818f8a9
- https://git.kernel.org/stable/c/21883bff0fd854e07429a773ff18f1e9658f50e8
- https://git.kernel.org/stable/c/6be388f4a35d2ce5ef7dbf635a8964a5da7f799f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.238
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.196
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.274
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.274
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.45
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.127