Описание
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix xid leak in cifs_ses_add_channel()
Before return, should free the xid, otherwise, the
xid will be leaked.
A transaction ID (xid) leak was found in the CIFS/SMB filesystem. When adding a new channel fails, the allocated xid is not freed, leading to gradual exhaustion of the xid pool.
Отчет
This is a minor resource leak in CIFS multichannel operations. The xid pool is limited but typically large enough that exhaustion would require many repeated failures over an extended period.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 10 | kernel | Not affected | ||
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | ||
| Red Hat Enterprise Linux 7 | kernel | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel-rt | Fix deferred | ||
| Red Hat Enterprise Linux 9 | kernel | Fix deferred | ||
| Red Hat Enterprise Linux 9 | kernel-rt | Fix deferred | ||
| Red Hat Enterprise Linux 8 | kernel | Fixed | RHSA-2025:19447 | 03.11.2025 |
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Дополнительная информация
Статус:
EPSS
3.3 Low
CVSS3
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.
In the Linux kernel, the following vulnerability has been resolved: c ...
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_ses_add_channel() Before return, should free the xid, otherwise, the xid will be leaked.
Уязвимость функции cifs_ses_add_channel() в модуле fs/cifs/sess.c файловой системы ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании
EPSS
3.3 Low
CVSS3