{"id":"CVE-2011-2495","state":"PUBLISHED","title":"fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling","description":"fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.","publishedAt":"2012-06-13T10:00:00.000Z","updatedAt":"2024-08-06T23:00:34.104Z","severity":null,"assigner":"redhat","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["http://www.openwall.com/lists/oss-security/2011/06/27/1","http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4","https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51","http://rhn.redhat.com/errata/RHSA-2011-1212.html","https://bugzilla.redhat.com/show_bug.cgi?id=716825","http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51"],"weaknesses":[],"ingestedAt":"2026-10-29T19:39:59.387Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2011/2xxx/CVE-2011-2495.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2011-2495","state":"PUBLISHED","datePublished":"2012-06-13T10:00:00.000Z","dateUpdated":"2024-08-06T23:00:34.104Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2011-06-15T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2011/06/27/1","name":"[oss-security] 20110627 Re: CVE request: kernel: taskstats/procfs io infoleak","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2011-1212.html","name":"RHSA-2011:1212","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716825","tags":["x_refsource_CONFIRM"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2013-12-27T00:57:03.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2011-06-27T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2011/06/27/1","name":"[oss-security] 20110627 Re: CVE request: kernel: taskstats/procfs io infoleak","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.4","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/1d1221f375c94ef961ba8574ac4f85c8870ddd51","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2011-1212.html","name":"RHSA-2011:1212","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=716825","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1d1221f375c94ef961ba8574ac4f85c8870ddd51","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-06T23:00:34.104Z"}}]}}}