CVE-2022-48775
Vulnerability Summary
Timeline
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
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 1%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- linux•linux
≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 417947891bd5ae327f15efed1a0da2b12ef24962 | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < fe595759c2a4a5bb41c438474f15947d8ae32f5c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 91d8866ca55232d21995a3d54fac96de33c9e20c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < c377e2ba78d3fe9a1f0b4ec424e75f81da7e81e9 | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 92e25b637cd4e010f776c86e4810300e773eac5c | ≥ c2e5df616e1ae6c2a074cb241ebb65a318ebaf7c, < 8bc69f86328e87a0ffa79438430cc82f3aa6a194 | 4.15
- linux•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
References (6)
- https://git.kernel.org/stable/c/417947891bd5ae327f15efed1a0da2b12ef24962
- https://git.kernel.org/stable/c/fe595759c2a4a5bb41c438474f15947d8ae32f5c
- https://git.kernel.org/stable/c/91d8866ca55232d21995a3d54fac96de33c9e20c
- https://git.kernel.org/stable/c/c377e2ba78d3fe9a1f0b4ec424e75f81da7e81e9
- https://git.kernel.org/stable/c/92e25b637cd4e010f776c86e4810300e773eac5c
- https://git.kernel.org/stable/c/8bc69f86328e87a0ffa79438430cc82f3aa6a194