Vulnerabilities > CVE-2021-29266 - Use After Free vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9
- https://security.netapp.com/advisory/ntap-20210513-0005/
- https://security.netapp.com/advisory/ntap-20210513-0005/