CVE-2022-50109: video: fbdev: amba-clcd: Fix refcount leak bugs
Vulnerability summary
CVE-2022-50109 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.9% 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 7 · Related 7Timeline
- 18-06-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfb_of_init_display(), we should call of_node_put() for the references returned by of_graph_get_next_endpoint() and of_graph_get_remote_port_parent() which have increased the refcount. Besides, we should call of_node_put() both in fail path or when the references are not used anymore.
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
0.25%
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 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu111 products
- linuxAll versions (No fix recorded) | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1143.155 | < 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≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < 2688df86c02da6bdc9866b62d974e169a2678883 | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < a97ff8a949dbf41be89f436b2b1a2b3d794493df | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < 49a4c1a87ef884e43cdda58b142a2a30f2f09efc | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < da276dc288bf838ea0fd778b5441ec0f601c69f7 | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < 29f06f1905c312671a09ee85ca92ac04a1d9f305 | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < a51519ebd0fdad3546463018b8f6bc3b0f4d3032 | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < a88ab277cca99aeb9a3b2b7db358f1a6dd528b0c | ≥ d10715be03bd8bad59ddc50236cb140c3bd73c7b, < 26c2b7d9fac42eb8317f3ceefa4c1a9a9170ca69 | 3.17
- linux_kernel≥ 3.17, < 4.14.291 | ≥ 4.15, < 4.19.256 | ≥ 4.20, < 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 · 114 products