{"id":"CVE-2012-6536","aliases":["BELL-CVE-2012-6536","DEBIAN-CVE-2012-6536","EUVD-2012-6384","GHSA-rxcj-6763-q884","UBUNTU-CVE-2012-6536"],"status":"published","title":"net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink...","description":"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.","severity":{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0037,"percentile":0.31149,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2013-03-07T00:00:00Z","modified":"2026-10-23T17:47:42Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["3.2.32-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["3.2.32-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["3.2.32-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.32-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.32-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.32-1"}]}]}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2013/03/05/13","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720","tags":["x_refsource_CONFIRM","x_transferred","fix"]},{"url":"https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecd7918745234e423dd87fcc0c077da557909720","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-6536"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ecd7918745234e423dd87fcc0c077da557909720"},{"url":"https://github.com/advisories/GHSA-rxcj-6763-q884"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2012-6536","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-6536","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-6536","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/03/07","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2013/03/07/2","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-1645-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1646-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1644-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1648-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1649-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1652-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1647-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-6536","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-6536","description":"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.","status":"published","published":"2013-03-14T20:00:00Z","modified":"2024-09-17T03:27:42.617Z","updated_at":"2026-11-02T14:34:51.269982Z"}],"euvd":[{"id":"EUVD-2012-6384","description":"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.","status":"published","published":"2013-03-14T20:00:00Z","modified":"2024-09-17T03:27:42Z","updated_at":"2026-11-03T00:28:31.565881Z"}],"ghsa":[{"id":"GHSA-rxcj-6763-q884","title":"net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink...","description":"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.","status":"published","published":"2022-05-17T05:13:34Z","modified":"2025-04-11T04:08:23Z","cwes":["CWE-200"],"updated_at":"2026-11-02T15:01:13.040475Z"}],"nvd":[{"id":"CVE-2012-6536","description":"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.","status":"published","published":"2013-03-15T20:55:05.383Z","modified":"2026-06-16T23:48:19.05Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:02:17.375282Z"}],"osv":[{"id":"BELL-CVE-2012-6536","title":"CVE-2012-6536 does not affect BellSoft software","status":"withdrawn","published":"2013-03-15T20:55:00Z","modified":"2026-01-28T07:19:46.684499Z","cvss":[{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T15:28:13.47097Z"},{"id":"CVE-2012-6536","description":"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.","status":"published","published":"2013-03-15T20:55:05Z","modified":"2026-04-10T03:42:35.216867Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-6536","description":"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.","status":"published","published":"2013-03-15T20:55:05.383Z","modified":"2026-10-23T17:47:42.41970102Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"UBUNTU-CVE-2012-6536","description":"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.","status":"withdrawn","published":"2013-03-07T00:00:00Z","modified":"2026-02-04T03:08:57.09911Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}