CVE-2022-50572: ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link()
Vulnerability summary
CVE-2022-50572 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 22-10-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fix refcount leak of cpu_ep in __graph_for_each_link() The of_get_next_child() returns a node with refcount incremented, and decrements the refcount of prev. So in the error path of the while loop, of_node_put() needs be called for cpu_ep.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.22% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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: not stated in public data.
Ubuntu115 products
- linux< 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.4-1
Linux1 product
- linux≥ fce9b90c1ab7e915553c57353355700c79b39c86, < ed1376f771404917c2ec3ebc617431ec01146134 | ≥ fce9b90c1ab7e915553c57353355700c79b39c86, < 06c9d468c06806dab752eb8e72addbf3792c1023 | ≥ fce9b90c1ab7e915553c57353355700c79b39c86, < 85eb5c952b7fe2d2059beaa4a4dd26688b25547b | ≥ fce9b90c1ab7e915553c57353355700c79b39c86, < 49dad92af6892f46851af989ef3aa7cd7316c389 | ≥ fce9b90c1ab7e915553c57353355700c79b39c86, < 4cc8431ec77a43ea106d8bde0860c61cfdda1cd0 | ≥ fce9b90c1ab7e915553c57353355700c79b39c86, < 8ab2d12c726f0fde0692fa5d81d8019b3dcd62d0 | 5.1
3 vendors · 117 products