CVE-2022-50278: PNP: fix name memory leak in pnp_alloc_dev()
Vulnerability summary
CVE-2022-50278 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 5 · Related 5Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: PNP: fix name memory leak in pnp_alloc_dev() After commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, move dev_set_name() after pnp_add_id() to avoid memory leak.
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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu120 products
- linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < ea77b4b761cd75e5456f677311babfa0418f289a | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 693a0c13c1f0c0fcaa1e38cb806cc0789bd415aa | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < bbcf772216aa237036cc3ae3158288d0a95aaf4d | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 81b024df4755e6bb6993b786584eca6eabbb9791 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < dac87e295cddc8ab316cff14ab2071b5221d84fa | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < c12b314bb23dc0c83e03402cc84574700947e3b2 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 1f50c7497a5f89de0c31f2edf086af41ff834320 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 290dd73b943c95c006df973257076ff163adf4d0 | ≥ 1fa5ae857bb14f6046205171d98506d8112dd74e, < 110d7b0325c55ff3620073ba4201845f59e22ebf | 2.6.30
- linux_kernel≥ 2.6.30, < 4.9.337 | ≥ 4.10, < 4.14.303 | ≥ 4.15, < 4.19.270 | ≥ 4.20, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
- linux< 6.1.4-1
3 vendors · 123 products