Explain CVE-2010-1437
Race condition in the find_keyring_by_name function in security/keys/keyring.c in the Linux kernel 2.6.34-rc5 and earlier allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via keyctl session commands that trigger access to a dead keyring that is undergoing deletion by the key_cleanup function.
Affected Products: n/a
References: [{'name': '[oss-security] 20100427 CVE request - kernel: find_keyring_by_name() can gain the freed keyring', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://www.openwall.com/lists/oss-security/2010/04/27/2'}, {'name': 'SUSE-SA:2010:031', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html'}, {'name': '[linux-kernel] 20100503 Re: [PATCH 2/7] KEYS: find_keyring_by_name() can gain access to a freed keyring', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://marc.info/?l=linux-kernel&m=127292492727029&w=2'}, {'name': 'oval:org.mitre.oval:def:9715', 'tags': ['vdb-entry', 'signature', 'x_refsource_OVAL'], 'url': 'https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9715'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://patchwork.kernel.org/patch/94664/'}, {'name': 'kernel-findkeyringbyname-dos(58254)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/58254'}, {'name': '[linux-kernel] 20100422 [PATCH 0/1][BUG][IMPORTANT] KEYRINGS: find_keyring_by_name() can gain the freed keyring', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://marc.info/?l=linux-kernel&m=127192182917857&w=2'}, {'name': 'RHSA-2010:0474', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2010-0474.html'}, {'name': '40645', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/40645'}, {'name': '43315', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43315'}, {'name': '[linux-kernel] 20100430 [PATCH 2/7] KEYS: find_keyring_by_name() can gain access to a freed keyring', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://marc.info/?l=linux-kernel&m=127274294622730&w=2'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://patchwork.kernel.org/patch/94038/'}, {'name': '[oss-security] 20100427 Re: CVE request - kernel: find_keyring_by_name() can gain the freed keyring', 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://www.openwall.com/lists/oss-security/2010/04/28/2'}, {'name': '40218', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/40218'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.vmware.com/security/advisories/VMSA-2011-0003.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=585094'}, {'name': 'DSA-2053', 'tags': ['vendor-advisory', 'x_refsource_DEBIAN'], 'url': 'http://www.debian.org/security/2010/dsa-2053'}, {'name': '39719', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/39719'}, {'name': '20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/516397/100/0/threaded'}, {'name': '39830', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/39830'}, {'name': 'ADV-2010-1857', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2010/1857'}]
CVE State: PUBLISHED