CVE-2022-49652: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
Vulnerability summary
CVE-2022-49652 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.5% 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 7 · Related 7Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate of_parse_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not needed anymore. Add missing of_node_put() in to fix this.
CVSS metrics
5 scores · 4 sources · 2 versions- 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
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% 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.
Ubuntu110 products
- linux< 4.15.0-194.205 | < 5.4.0-128.144 | < 5.15.0-50.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1142.154 | < 5.4.0-1086.93 | < 5.15.0-1021.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < 452b9dfd7aca96befce22634fadb111737f22bbe | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < 61b4ef19c346dc21ab1d4f39f5c412e3037b2bdc | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < 3bd66010398871807c1cebacee07d60ded1b1402 | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < b31ab132561c7f1b6459039152b8d09e44eb3565 | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < 37147e22cd8dfc0412495cb361708836157a4486 | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < cb9813d7eae917acd34436160a278b8b5d48ca53 | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < b5a817f8d62e9e13280928f3756e54854ae4962e | ≥ ec9bfa1e1a796ef7acc2e55917c9b8be5a79e70e, < c132fe78ad7b4ce8b5d49a501a15c29d08eeb23a | 4.5
- linux_kernel≥ 4.5, < 4.9.323 | ≥ 4.10, < 4.14.288 | ≥ 4.15, < 4.19.252 | ≥ 4.20, < 5.4.205 | ≥ 5.5, < 5.10.130 | ≥ 5.11, < 5.15.54 | ≥ 5.16, < 5.18.11 | 5.19:rc1 | 5.19:rc2 | 5.19:rc3 | 5.19:rc4 | 5.19:rc5
Debian1 product
- linux< 5.18.14-1
3 vendors · 113 products
