CVE-2016-4557 in Kernel

Sumário (Inglês)

The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.

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Reservar

06/05/2016

Divulgação

23/05/2016

Estado

Confirmado

Inscrições

VulDB provides additional information and datapoints for this CVE:

ID	Vulnerabilidade	CWE	Exp	Con	CVE
87604	Linux Kernel BPF Instruction verifier.c replace_map_fd_with_map_ptr Excesso de tampão	416	Alto	Correção oficial	CVE-2016-4557

Fontes

• MITRE
• NVD
• CVE Details