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LIN10-6938 : Security Advisory - linux - CVE-2019-9500

Created: Jan 18, 2020    Updated: Feb 25, 2020
Resolved Date: Feb 25, 2020
Found In Version: 10.17.41.1
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Kernel

Description

The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow. If the Wake-up on Wireless LAN functionality is configured, a malicious event frame can be constructed to trigger an heap buffer overflow in the brcmf_wowl_nd_results function. This vulnerability can be exploited with compromised chipsets to compromise the host, or when used in combination with CVE-2019-9503, can be used remotely. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.

CREATE(Triage):(User=admin) [CVE-2019-9500|https://nvd.nist.gov/vuln/detail/CVE-2019-9500]

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