Public Date:
1459464: CVE-2017-9461 samba: fd_open_atomic infinite loop due to wrong handling of dangling symlinks
A flaw was found in the way Samba handled dangling symlinks. An authenticated malicious Samba client could use this flaw to cause the smbd daemon to enter an infinite loop and use an excessive amount of CPU and memory.

Find out more about CVE-2017-9461 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 6.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Red Hat Security Errata

Platform Errata Release Date
Red Hat Gluster 3.2 Samba on RHEL-7 (samba) RHSA-2017:2338 2017-08-01
Red Hat Gluster 3.3 Samba on RHEL-6 (samba) RHSA-2017:2778 2017-09-21
Red Hat Enterprise Linux 7 (samba) RHSA-2017:1950 2017-08-01

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 6 samba Not affected
Red Hat Enterprise Linux 6 samba4 Will not fix
Red Hat Enterprise Linux 5 samba Not affected
Red Hat Enterprise Linux 5 samba3x Not affected

Last Modified

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