CVE-2022-50176: drm/mcde: Fix refcount leak in mcde_dsi_bind
Vulnerability summary
CVE-2022-50176 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 17% 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
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drm/mcde: Fix refcount leak in mcde_dsi_bind Every iteration of for_each_available_child_of_node() decrements the reference counter of the previous node. There is no decrement when break out from the loop and results in refcount leak. Add missing of_node_put() to fix this.
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:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.25% 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.
Ubuntu107 products
- linux< 5.4.0-132.148 | < 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1089.97 | < 5.15.0-1023.27
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < 87c35bbefdfa3c5edfb8c80f5c04717aaacc629d | ≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < f57699a9b66ea11f000f56d1f1179059239b8690 | ≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < 3123ae6fdd4013d24a3a4877084b14e917faae5c | ≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < 7214902de5b1fb2b632a7b8b3b9540e41aabab38 | ≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < 32c827e30bb44ae809950a9efab59e98e44d30e5 | ≥ 5fc537bfd00033a3f813330175f7f12c25957ebf, < 3a149169e4a2f9127022fec6ef5d71b4e804b3b9 | 5.3
- linux_kernel≥ 5.3, < 5.4.211 | ≥ 5.5, < 5.10.137 | ≥ 5.11, < 5.15.61 | ≥ 5.16, < 5.18.18 | ≥ 5.19, < 5.19.2
Debian1 product
- linux< 6.0.2-1
3 vendors · 110 products
