{"id":"CVE-2013-1956","state":"PUBLISHED","title":"The create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root direct","description":"The create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root directory, which allows local users to bypass intended filesystem restrictions via a crafted clone system call.","publishedAt":"2013-04-24T19:00:00.000Z","updatedAt":"2024-08-06T15:20:37.306Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d","https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d","http://www.openwall.com/lists/oss-security/2013/04/16/11","http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6"],"weaknesses":[],"ingestedAt":"2026-10-29T19:40:38.921Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2013/1xxx/CVE-2013-1956.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2013-1956","state":"PUBLISHED","datePublished":"2013-04-24T19:00:00.000Z","dateUpdated":"2024-08-06T15:20:37.306Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2013-02-19T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root directory, which allows local users to bypass intended filesystem restrictions via a crafted clone system call."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d","tags":["x_refsource_CONFIRM"]},{"url":"http://www.openwall.com/lists/oss-security/2013/04/16/11","name":"[oss-security] 20130416 Re: Re: Summary of security bugs (now fixed) in user namespaces","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2013-04-24T19:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3151527ee007b73a0ebd296010f1c0454a919c7d","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/3151527ee007b73a0ebd296010f1c0454a919c7d","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2013/04/16/11","name":"[oss-security] 20130416 Re: Re: Summary of security bugs (now fixed) in user namespaces","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.6","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T15:20:37.306Z"}}]}}}