Описание
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
Отчет
This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-1212.html, https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel | Will not fix | ||
| Red Hat Enterprise Linux 5 | kernel | Fixed | RHSA-2011:1212 | 06.09.2011 |
| Red Hat Enterprise Linux 5.6 EUS - Server Only | kernel | Fixed | RHSA-2011:1813 | 13.12.2011 |
| Red Hat Enterprise Linux 6 | kernel | Fixed | RHSA-2011:1189 | 23.08.2011 |
| Red Hat Enterprise MRG 2 | kernel-rt | Fixed | RHSA-2011:1253 | 12.09.2011 |
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Дополнительная информация
Статус:
2.1 Low
CVSS2
Связанные уязвимости
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly r ...
fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
ELSA-2011-1212: kernel security and bug fix update (IMPORTANT)
2.1 Low
CVSS2