5.5

CVE-2021-47643: media: ir_toy: free before error exiting

Analyzed
AliasesUBUNTU-CVE-2021-47643DEBIAN-CVE-2021-47643
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2021-47643 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.9% 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 4 · Related 4
SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1241-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: media: ir_toy: free before error exiting Fix leak in error path.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

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.

Ubuntu108 products
  • linuxAll versions (No fix recorded) | < 5.15.0-37.39
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1011.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 261463dbc34ff0acafe4d84df04535b48a15afea, < 99e3f83539cac6884a4df02cb204a57a184ea12b | ≥ 261463dbc34ff0acafe4d84df04535b48a15afea, < 2011363c196846c083649c91ed30aeef64358d52 | ≥ 261463dbc34ff0acafe4d84df04535b48a15afea, < 382e0f6958ef34eb093127b6d74c12f3b8fd0904 | ≥ 261463dbc34ff0acafe4d84df04535b48a15afea, < 93ef3fdf3b6633c58f049e5a6be755777dde4340 | ≥ 261463dbc34ff0acafe4d84df04535b48a15afea, < 52cdb013036391d9d87aba5b4fc49cdfc6ea4b23 | 5.9
  • linux_kernel≥ 5.9, < 5.10.110 | ≥ 5.11, < 5.15.33 | ≥ 5.16, < 5.16.19 | ≥ 5.17, < 5.17.2
Debian1 product
  • linux< 5.17.3-1

3 vendors · 111 products

References

9 links