CVE-2022-50249: memory: of: Fix refcount leak bug in of_get_ddr_timings()
Vulnerability summary
CVE-2022-50249 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.5% 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 8 · Related 7Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: memory: of: Fix refcount leak bug in of_get_ddr_timings() We should add the of_node_put() when breaking out of for_each_child_of_node() as it will automatically increase and decrease the refcount.
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
0.16%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.16% 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.
Ubuntu119 products
- linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 5.15.0-1030.34
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < a4d0bd4388e1a39df47e8aaa044ef6a7ee626e48 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < a4f7eb83852a65b6f8dea7dcc42b7c76d4d9b0a3 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 68c9c4e6495b825be3a8946df1a0148399555fe4 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 85a40bfb8e7a170abcf9dae2c0898a1983e48daa | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < daaec4b3fe2297b022c6b2d6bf48b6e5265a60b9 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 2680690f9ce4e6abbb4f559e97271c15b7eeda97 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 62ccab6e3376f8a22167c3b81468ae4f3e7d25f1 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 1c6cac6fa4d08aea161f83d38117d733b3c3a000 | ≥ e6b42eb6a66c188642aeb447312938c6f6ebee86, < 05215fb32010d4afb68fbdbb4d237df6e2d4567b | 3.7
- linux_kernel≥ 3.7, < 4.9.331 | ≥ 4.10, < 4.14.296 | ≥ 4.15, < 4.19.262 | ≥ 4.20, < 5.4.220 | ≥ 5.5, < 5.10.150 | ≥ 5.11, < 5.15.75 | ≥ 5.16, < 5.19.17 | ≥ 6.0, < 6.0.3
Debian1 product
- linux< 6.0.3-1
3 vendors · 122 products