PT-2016-7542 · Linux+3 · Linux Kernel+3
Daxing Guo
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Publicado
2016-09-26
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Atualizado
2017-03-22
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CVE-2016-8658
CVSS v3.1
6.1
Média
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.7.5
Description
The issue is related to a stack-based buffer overflow in the
brcmf cfg80211 start ap function. This function is located in the cfg80211.c file within the Linux kernel. The overflow can occur when a local user sends a command to a Netlink socket with a long SSID Information Element. This can cause a denial of service, resulting in a system crash, or potentially have other unspecified impacts.Recommendations
For Linux kernel versions prior to 4.7.5, update to version 4.7.5 or later to resolve the issue. As a temporary workaround, consider restricting access to the Netlink socket to minimize the risk of exploitation.
Correção
DoS
Buffer Overflow
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Linux Kernel
Suse
Ubuntu