{ "containers": { "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "The sysrq_sysctl_handler function in kernel/sysctl.c in the Linux kernel before 2.6.39 does not require the CAP_SYS_ADMIN capability to modify the dmesg_restrict value, which allows local users to bypass intended access restrictions and read the kernel ring buffer by leveraging root privileges, as demonstrated by a root user in a Linux Containers (aka LXC) environment." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2012-05-24T23:00:00.000Z" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/torvalds/linux/commit/bfdc0b497faa82a0ba2f9dddcf109231dd519fcc" }, { "name": "[oss-security] 20111026 Re: CVE Request -- kernel: sysctl: restrict write access to dmesg_restrict", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "http://www.openwall.com/lists/oss-security/2011/10/26/10" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bfdc0b497faa82a0ba2f9dddcf109231dd519fcc" } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T23:53:32.920Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/torvalds/linux/commit/bfdc0b497faa82a0ba2f9dddcf109231dd519fcc" }, { "name": "[oss-security] 20111026 Re: CVE Request -- kernel: sysctl: restrict write access to dmesg_restrict", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2011/10/26/10" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=bfdc0b497faa82a0ba2f9dddcf109231dd519fcc" } ] } ] }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-4080", "state": "PUBLISHED", "dateReserved": "2011-10-18T00:00:00.000Z", "datePublished": "2012-05-24T23:00:00.000Z", "dateUpdated": "2024-08-06T23:53:32.920Z" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }