PT-2017-1181 · Linux+2 · Linux Kernel+2
Adam Mariš
·
Publicado
2017-01-10
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Atualizado
2018-08-24
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CVE-2017-5549
CVSS v3.1
5.5
Média
| Vetor | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.9.5
Description
The issue is related to the
klsi 105 get line state function in the Linux kernel, which can lead to the exposure of sensitive information. This occurs when the function places uninitialized heap-memory contents into a log entry upon a failure to read the line status, allowing local users to obtain this information by reading the log. The vulnerability is associated with insufficient protection of registration data.Recommendations
For Linux kernel versions prior to 4.9.5, update to version 4.9.5 or later to resolve the issue. As a temporary workaround, consider restricting access to log entries to minimize the risk of exploitation.
Correção
Insertion into Log File
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Enumeração de Fraquezas
Identificadores relacionados
Produtos afetados
Alt Linux
Linux Kernel
Ubuntu