CVE-2021-47054: bus: qcom: Put child node before return
Vulnerability summary
CVE-2021-47054 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.9% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 29-02-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu85 products
- linux< 4.15.0-151.157 | < 5.4.0-77.86
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1109.116 | < 5.4.0-1051.53
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 335a127548081322bd2b294d715418648912f20c, < a6191e91c10e50bd51db65a00e03d02b6b0cf8c4 | ≥ 335a127548081322bd2b294d715418648912f20c, < 94810fc52925eb122a922df7f9966cf3f4ba7391 | ≥ 335a127548081322bd2b294d715418648912f20c, < a399dd80e697a02cfb23e2fc09b87849994043d9 | ≥ 335a127548081322bd2b294d715418648912f20c, < 3a76ec28824c01b57aa1f0927841d75e4f167cb8 | ≥ 335a127548081322bd2b294d715418648912f20c, < 00f6abd3509b1d70d0ab0fbe65ce5685cebed8be | ≥ 335a127548081322bd2b294d715418648912f20c, < 6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c | ≥ 335a127548081322bd2b294d715418648912f20c, < c6f8e0dc8da1cd78d640dee392071cc2326ec1b2 | ≥ 335a127548081322bd2b294d715418648912f20c, < ac6ad7c2a862d682bb584a4bc904d89fa7721af8 | 4.9
- linux_kernel≥ 4.9, < 4.9.269 | ≥ 4.10, < 4.14.233 | ≥ 4.15, < 4.19.191 | ≥ 4.20, < 5.4.119 | ≥ 5.5, < 5.10.37 | ≥ 5.11, < 5.11.21 | ≥ 5.12, < 5.12.4
Debian1 product
- linux< 5.10.38-1
3 vendors · 88 products
