Описание
ELSA-2026-39575: cifs-utils security, bug fix, and enhancement update (IMPORTANT)
[7.0-5]
- resolves: RHEL-192933 - fix krb5 mount regression
[7.0-4]
- cifs.upcall: remove getpwuid dependency
- cifs.upcall: fix compiler warning with -Wvla
- Resolves: RHEL-185759 - Fix CVE-2026-12505
[7.0-3]
- docs: update echo_interval description
- Resolves: RHEL-80397
[7.0-2]
- mount.cifs.rst: add missing reference for sssd
- mount.cifs.rst: update section about xattr/acl support
- Resolves: RHEL-41059
Обновленные пакеты
Oracle Linux 8
Oracle Linux aarch64
cifs-utils
7.0-5.el8_10
cifs-utils-devel
7.0-5.el8_10
pam_cifscreds
7.0-5.el8_10
Oracle Linux x86_64
cifs-utils
7.0-5.el8_10
cifs-utils-devel
7.0-5.el8_10
pam_cifscreds
7.0-5.el8_10
Связанные CVE
Связанные уязвимости
A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted request_key payload to trick the root-owned helper into entering a custom environment (namespace) containing a malicious NSS module. This forces the system to load the attacker's controlled NSS Module and configuration, allowing them to execute arbitrary commands as the root user, elevating their privileges and fully compromising the system.
A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted request_key payload to trick the root-owned helper into entering a custom environment (namespace) containing a malicious NSS module. This forces the system to load the attacker's controlled NSS Module and configuration, allowing them to execute arbitrary commands as the root user, elevating their privileges and fully compromising the system.
A flaw was found in the cifs-utils package where the cifs.upcall helper fails to securely drop its root privileges before looking up user information inside a user-controlled environment. A local, low privileged attacker can exploit this by using a crafted request_key payload to trick the root-owned helper into entering a custom environment (namespace) containing a malicious NSS module. This forces the system to load the attacker's controlled NSS Module and configuration, allowing them to execute arbitrary commands as the root user, elevating their privileges and fully compromising the system.
Cifs-utils: local privilege escalation via forged cifs.spnego key description in cifs.upcall
A flaw was found in the cifs-utils package where the cifs.upcall helpe ...