CVE-2012-6536
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink...
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
Exploit likelihood
What each source reports
NVD Score used
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
CVE-2012-6536- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
CVE-2012-6536- Updated
- 2026-11-02
EUVDEUVD-2012-6384 No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
EUVD-2012-6384- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rxcj-6763-q884 No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink...
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
GHSA-rxcj-6763-q884- Weakness
- CWE-200
- Updated
- 2026-11-02
OSVBELL-CVE-2012-6536
CVE-2012-6536 does not affect BellSoft software
- Record
BELL-CVE-2012-6536- CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
OSV No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
CVE-2012-6536- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-6536 No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
DEBIAN-CVE-2012-6536- Updated
- 2026-11-02
OSVUBUNTU-CVE-2012-6536 No score
net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.
- Record
UBUNTU-CVE-2012-6536- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-6536 is a low vulnerability (CVSS 2.1) in Linux Kernel, published March 7, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 31st percentile. Fixed in linux 3.2.32-1.
References
openwall.com/lists/oss-security/2013/03/05/13
github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720
kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
git.kernel.org?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecd7918745234e423dd87fcc0c077da557909720
nvd.nist.gov/vuln/detail/CVE-2012-6536
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docs.bell-sw.com/security/cves/CVE-2012-6536
security-tracker.debian.org/tracker/CVE-2012-6536
ubuntu.com/security/CVE-2012-6536
cve.org/CVERecord?id=CVE-2012-6536