CVE-2022-48775: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj
Vulnerability summary
CVE-2022-48775 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.4% 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 10 · Related 10Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add()： If this function returns an error, kobject_put() must be called to properly clean up the memory associated with the object. Fix memory leak by calling kobject_put().
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
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% 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 causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu92 products
- linuxAll versions (No fix recorded) | < 5.4.0-110.124
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1073.78
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 417947891bd5ae327f15efed1a0da2b12ef24962 | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < fe595759c2a4a5bb41c438474f15947d8ae32f5c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 91d8866ca55232d21995a3d54fac96de33c9e20c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < c377e2ba78d3fe9a1f0b4ec424e75f81da7e81e9 | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 92e25b637cd4e010f776c86e4810300e773eac5c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 8bc69f86328e87a0ffa79438430cc82f3aa6a194 | 4.15
- linux_kernel≥ 4.15, < 4.19.231 | ≥ 4.20, < 5.4.181 | ≥ 5.5, < 5.10.102 | ≥ 5.11, < 5.15.25 | ≥ 5.16, < 5.16.11
Debian1 product
- linux< 5.16.11-1
3 vendors · 95 products
