CVE-2012-3520

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Summary

CVECVE-2012-3520
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2012-10-03 11:02:57 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe Netlink implementation in the Linux kernel before 3.2.30 does not properly handle messages that lack SCM_CREDENTIALS data, which might allow local users to spoof Netlink communication via a crafted message, as demonstrated by a message to (1) Avahi or (2) NetworkManager.

Risk And Classification

Primary CVSS: v2.0 1.9 from [email protected]

AV:L/AC:M/Au:N/C:N/I:P/A:N

Problem Types: CWE-287 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:L/AC:M/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 2.3.2 All All All
Operating System Linux Linux Kernel 2.3.20 All All All
Operating System Linux Linux Kernel 2.3.21 All All All
Operating System Linux Linux Kernel 2.3.22 All All All
Operating System Linux Linux Kernel 2.3.23 All All All
Operating System Linux Linux Kernel 2.3.24 All All All
Operating System Linux Linux Kernel 2.3.25 All All All
Operating System Linux Linux Kernel 2.3.26 All All All
Operating System Linux Linux Kernel 2.3.27 All All All
Operating System Linux Linux Kernel 2.3.28 All All All
Operating System Linux Linux Kernel 2.3.29 All All All
Operating System Linux Linux Kernel 2.4.33.2 All All All
Operating System Linux Linux Kernel 2.6.13.2 All All All
Operating System Linux Linux Kernel 2.6.23.2 All All All
Operating System Linux Linux Kernel 2.6.33.2 All All All
Operating System Linux Linux Kernel 2.6.33.20 All All All
Operating System Linux Linux Kernel 3.2 All All All
Operating System Linux Linux Kernel 3.2 rc2 All All
Operating System Linux Linux Kernel 3.2 rc3 All All
Operating System Linux Linux Kernel 3.2 rc4 All All
Operating System Linux Linux Kernel 3.2 rc5 All All
Operating System Linux Linux Kernel 3.2 rc6 All All
Operating System Linux Linux Kernel 3.2 rc7 All All
Operating System Linux Linux Kernel 3.2.1 All All All
Operating System Linux Linux Kernel 3.2.10 All All All
Operating System Linux Linux Kernel 3.2.11 All All All
Operating System Linux Linux Kernel 3.2.12 All All All
Operating System Linux Linux Kernel 3.2.13 All All All
Operating System Linux Linux Kernel 3.2.14 All All All
Operating System Linux Linux Kernel 3.2.15 All All All
Operating System Linux Linux Kernel 3.2.16 All All All
Operating System Linux Linux Kernel 3.2.17 All All All
Operating System Linux Linux Kernel 3.2.18 All All All
Operating System Linux Linux Kernel 3.2.19 All All All
Operating System Linux Linux Kernel 3.2.2 All All All
Operating System Linux Linux Kernel 3.2.20 All All All
Operating System Linux Linux Kernel 3.2.21 All All All
Operating System Linux Linux Kernel 3.2.22 All All All
Operating System Linux Linux Kernel 3.2.23 All All All
Operating System Linux Linux Kernel 3.2.24 All All All
Operating System Linux Linux Kernel 3.2.25 All All All
Operating System Linux Linux Kernel 3.2.26 All All All
Operating System Linux Linux Kernel 3.2.27 All All All
Operating System Linux Linux Kernel 3.2.28 All All All
Operating System Linux Linux Kernel 3.2.3 All All All
Operating System Linux Linux Kernel 3.2.4 All All All
Operating System Linux Linux Kernel 3.2.5 All All All
Operating System Linux Linux Kernel 3.2.6 All All All
Operating System Linux Linux Kernel 3.2.7 All All All
Operating System Linux Linux Kernel 3.2.8 All All All
Operating System Linux Linux Kernel 3.2.9 All All All
Operating System Linux Linux Kernel 3.3.2 All All All
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2013:0261-1: moderate: kernel: update to 3.4.28 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
USN-1599-1: Linux kernel (OMAP4) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.30 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org
af_netlink: force credentials passing [CVE-2012-3520] · torvalds/linux@e0e3cea · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit
Bug 850449 – CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
oss-security - CVE-2012-3520 kernel: af_netlink: invalid handling of SCM_CREDENTIALS passing af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Malformed Request af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
Oracle Linux Bulletin - January 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com
USN-1610-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
Security Advisory SA50848 - Ubuntu update for kernel - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
[security-announce] openSUSE-SU-2012:1330-1: important: kernel: security af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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