CVE-2016-4557 (High) detected in linuxlinux-4.6

[mend-bolt-for-github[bot]]

CVE-2016-4557 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.6

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 0c6c8d8c809f697cd5fc581c6c08e9ad646c55a8

Found in base branch: master

Vulnerable Source Files (2)

/kernel/bpf/verifier.c /kernel/bpf/verifier.c

Vulnerability Details

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.

Publish Date: 2016-05-23

URL: CVE-2016-4557

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: Low - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2016-4557

Release Date: 2016-05-23

Fix Resolution: 4.5.5

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[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.