CVE-2021-47405

MEDIUM
Published May 21, 2024 Modified Feb 3, 2025 CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: free raw_report buffers in usbhid_stop Free the unsent raw_report buffers when the device is removed. Fixes a memory leak reported by syzbot at: https://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418ab47

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/2b704864c92dcec2b295f276fcfbfb81d9831f81 https://git.kernel.org/stable/c/764ac04de056801dfe52a716da63f6e7018e7f3b https://git.kernel.org/stable/c/7ce4e49146612261265671b1d30d117139021030 https://git.kernel.org/stable/c/965147067fa1bedff3ae1f07ce3f89f1a14d2df3 https://git.kernel.org/stable/c/c3156fea4d8a0e643625dff69a0421e872d1fdae https://git.kernel.org/stable/c/efc5c8d29256955cc90d8d570849b2d6121ed09f https://git.kernel.org/stable/c/f7744fa16b96da57187dc8e5634152d3b63d72de https://git.kernel.org/stable/c/f7ac4d24e1610b92689946fa88177673f1e88a3f https://git.kernel.org/stable/c/2b704864c92dcec2b295f276fcfbfb81d9831f81 https://git.kernel.org/stable/c/764ac04de056801dfe52a716da63f6e7018e7f3b https://git.kernel.org/stable/c/7ce4e49146612261265671b1d30d117139021030 https://git.kernel.org/stable/c/965147067fa1bedff3ae1f07ce3f89f1a14d2df3 https://git.kernel.org/stable/c/c3156fea4d8a0e643625dff69a0421e872d1fdae https://git.kernel.org/stable/c/efc5c8d29256955cc90d8d570849b2d6121ed09f https://git.kernel.org/stable/c/f7744fa16b96da57187dc8e5634152d3b63d72de https://git.kernel.org/stable/c/f7ac4d24e1610b92689946fa88177673f1e88a3f

Frequently Asked Questions

What is CVE-2021-47405? +
In the Linux kernel, the following vulnerability has been resolved: HID: usbhid: free raw_report buffers in usbhid_stop Free the unsent raw_report buffers when the device is removed. Fixes a memory leak reported by syzbot at: https://syzkaller.appspot.com/bug?id=7b4fa7cb1a7c2d3342a2a8a6c53371c8c418ab47 It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-47405? +
CVE-2021-47405 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2021-47405? +
CVE-2021-47405 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-47405? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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