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CVE-2023-4387

Good to know:

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Date: August 16, 2023

A use-after-free flaw was found in vmxnet3_rq_alloc_rx_buf in drivers/net/vmxnet3/vmxnet3_drv.c in VMware's vmxnet3 ethernet NIC driver in the Linux Kernel. This issue could allow a local attacker to crash the system due to a double-free while cleaning up vmxnet3_rq_cleanup_all, which could also lead to a kernel information leak problem.

Language: C

Severity Score

Related Resources (6)

https://github.com/torvalds/linux/commit/9e7fef9521e73ca8afd7da9e58c14654b02dfad8
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-4387
https://nvd.nist.gov/vuln/detail/CVE-2023-4387
https://access.redhat.com/security/cve/CVE-2023-4387
https://bugzilla.redhat.com/show_bug.cgi?id=2219270
https://www.mend.io/vulnerability-database/CVE-2023-4387

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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