Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2010-2524

Published: Sep 08, 2010 | Modified: Apr 11, 2025
CVSS 3.x
7.8
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4.6 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
4.4 MODERATE
AV:L/AC:M/Au:N/C:P/I:P/A:P
RedHat/V3
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2010-2524
CWEhttps://cwe.mitre.org/data/definitions/.html

The DNS resolution functionality in the CIFS implementation in the Linux kernel before 2.6.35, when CONFIG_CIFS_DFS_UPCALL is enabled, relies on a users keyring for the dns_resolver upcall in the cifs.upcall userspace helper, which allows local users to spoof the results of DNS queries and perform arbitrary CIFS mounts via vectors involving an add_key call, related to a cache stuffing issue and MS-DFS referrals.

Affected Software

NameVendorStart VersionEnd Version
Linux_kernelLinux*2.6.35 (excluding)
Red Hat Enterprise Linux 5RedHatkernel-0:2.6.18-194.11.1.el5*
LinuxUbuntujaunty*
LinuxUbuntukarmic*
LinuxUbuntulucid*
LinuxUbuntuupstream*
Linux-ec2Ubuntukarmic*
Linux-ec2Ubuntulucid*
Linux-ec2Ubuntumaverick*
Linux-fsl-imx51Ubuntukarmic*
Linux-fsl-imx51Ubuntulucid*
Linux-lts-backport-maverickUbuntulucid*

References

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