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Redhat.comRH:CVE-2019-3846HistoryApr 02, 2020 - 8:57 a.m.
CVE-2019-3846
2020-04-0208:57:44
redhat.com
access.redhat.com
20
0.001 Low
EPSS
Percentile
41.1%
A flaw was found in the Linux kernel’s Marvell wifi chip driver. A heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c allows remote attackers to cause a denial of service(system crash) or execute arbitrary code.
Mitigation
This flaw requires a system with marvell wifi network card to be attempting to connect to a attacker controlled wifi network. A temporary mitigation may be to only connect to known-good networks via wifi, or connect to a network via ethernet. Alternatively if wireless networking is not used the mwifiex kernel module can be blacklisted to prevent misuse of the vulnerable code.
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