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CVE-2021-47407 Detail

Description

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]


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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Hyperlink Resource
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

Weakness Enumeration

CWE-ID CWE Name Source

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-47407
NVD Published Date:
05/21/2024
NVD Last Modified:
11/21/2024
Source:
kernel.org