5.5

CVE-2021-47405: HID: usbhid: free raw_report buffers in usbhid_stop

Analyzed
AliasesUBUNTU-CVE-2021-47405DEBIAN-CVE-2021-47405
Published 21-05-2024Last modified 11-05-2026

Vulnerability summary

CVE-2021-47405 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 11
SUSE-SU-2024:2008-1SUSE-SU-2024:2010-1SUSE-SU-2024:2011-1SUSE-SU-2024:2019-1SUSE-SU-2024:2183-1SUSE-SU-2024:2185-1

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu88 products
  • linuxAll versions (No fix recorded) | < 4.15.0-163.171 | < 5.4.0-91.102
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1116.123 | < 5.4.0-1060.63
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < 7ce4e49146612261265671b1d30d117139021030 | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < efc5c8d29256955cc90d8d570849b2d6121ed09f | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < c3156fea4d8a0e643625dff69a0421e872d1fdae | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < 764ac04de056801dfe52a716da63f6e7018e7f3b | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < 965147067fa1bedff3ae1f07ce3f89f1a14d2df3 | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < f7ac4d24e1610b92689946fa88177673f1e88a3f | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < 2b704864c92dcec2b295f276fcfbfb81d9831f81 | ≥ f129ea6d1efe0eddcbb1f0faaec5623788ad9e58, < f7744fa16b96da57187dc8e5634152d3b63d72de | 2.6.28
  • linux_kernel< 4.4.286 | ≥ 4.5, < 4.9.285 | ≥ 4.10, < 4.14.249 | ≥ 4.15, < 4.19.209 | ≥ 4.20, < 5.4.151 | ≥ 5.5, < 5.10.71 | ≥ 5.11, < 5.14.10
Debian1 product
  • linux< 5.14.12-1

3 vendors · 91 products

References

12 links
Show all 12 references