Vulnerabilities > CVE-2021-47407 - Unspecified vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller. [Move the call towards the beginning of kvm_arch_init_vm. - Paolo]
Vulnerable Configurations
References
- https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23
- https://git.kernel.org/stable/c/4664318f73e496cd22c71b10888e75434a123e23
- https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4
- https://git.kernel.org/stable/c/deb2949417677649e2413266d7ce8c2ff73952b4
- https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb
- https://git.kernel.org/stable/c/eb7511bf9182292ef1df1082d23039e856d1ddfb