CVE-2021-47049: Drivers: hv: vmbus: Use after free in __vmbus_open()
First published: Wed Feb 28 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.14<5.10.37 | |
| Linux Kernel | >=5.11<5.11.21 | |
| Linux Kernel | >=5.12<5.12.4 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- agent/title
- agent/references
- agent/type
- agent/first-publish-date
- agent/description
- agent/event
- agent/author
- agent/severity
- agent/remedy
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/source
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/linux
- canonical/linux kernel
- version/linux kernel/4.14
- version/linux kernel/5.11
- version/linux kernel/5.12