CVE-2022-48656: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get()
Vulnerability summary
CVE-2022-48656 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 18% 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 5 · Related 5Timeline
- 28-04-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-private: Fix refcount leak bug in of_xudma_dev_get() We should call of_node_put() for the reference returned by of_parse_phandle() in fail path or when it is not used anymore. Here we only need to move the of_node_put() before the check.
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
0.26%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.26% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu85 products
- linux< 5.15.0-57.63
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1027.31
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ d702419134133db1eab2067dc6ea5723467fd917, < aa11dae059a439af82bae541b134f8f53ac177b5 | ≥ d702419134133db1eab2067dc6ea5723467fd917, < dd5a6c5a08752b613e83ad2cb5133e72a64b876d | ≥ d702419134133db1eab2067dc6ea5723467fd917, < a17df55bf6d536712da6902a83db82b82e67d5a2 | ≥ d702419134133db1eab2067dc6ea5723467fd917, < f9fdb0b86f087c2b7f6c6168dd0985a3c1eda87e | 5.6
- linux_kernel≥ 5.6.0, < 5.10.146 | ≥ 5.11.0, < 5.15.71 | ≥ 5.16.0, < 5.19.12
Debian1 product
- linux< 6.0.2-1
3 vendors · 88 products