{"id":"CVE-2012-5374","aliases":["BELL-CVE-2012-5374","DEBIAN-CVE-2012-5374","EUVD-2012-5293","GHSA-g474-2q34-4cpq","UBUNTU-CVE-2012-5374"],"status":"published","title":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local...","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","severity":{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0048,"percentile":0.41702,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-310"],"published":"2013-02-18T00:00:00Z","modified":"2026-10-23T17:47:39Z","fixes":[{"ecosystem":"Debian:12","package":"linux","fixed_in":["3.8-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"linux","fixed_in":["3.8-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"linux","fixed_in":["3.8-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.8-1"}]}]}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/","tags":["x_refsource_MISC","x_transferred","web","report"]},{"url":"https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2013-03/msg00004.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1944-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1945-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-2017-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-1947-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://openwall.com/lists/oss-security/2012/12/13/20","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1946-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-5374"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9c52057c698fb96f8f07e7a4bcf4801a092bda89"},{"url":"http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs"},{"url":"https://github.com/advisories/GHSA-g474-2q34-4cpq"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2012-5374","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-5374","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-5374","tags":["report"]},{"url":"http://www.openwall.com/lists/oss-security/2012/12/13/20","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-1944-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1945-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1947-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-1946-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-2017-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/notices/USN-2018-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2012-5374","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2012-5374","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2013-02-18T11:00:00Z","modified":"2024-08-06T21:05:46.99Z","updated_at":"2026-11-02T14:34:49.246229Z"}],"euvd":[{"id":"EUVD-2012-5293","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2013-02-18T11:00:00Z","modified":"2024-08-06T21:05:46Z","updated_at":"2026-11-03T01:56:04.919378Z"}],"ghsa":[{"id":"GHSA-g474-2q34-4cpq","title":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local...","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2022-05-17T04:55:24Z","modified":"2025-04-11T04:08:43Z","updated_at":"2026-11-02T15:01:13.537017Z"}],"nvd":[{"id":"CVE-2012-5374","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2013-02-18T11:56:38.713Z","modified":"2026-06-16T23:46:45.307Z","cvss":[{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:17.375282Z"}],"osv":[{"id":"BELL-CVE-2012-5374","title":"CVE-2012-5374 does not affect BellSoft software","status":"withdrawn","published":"2013-02-18T11:56:00Z","modified":"2026-01-28T07:19:24.024437Z","cvss":[{"version":"2.0","score":4,"vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C","level":"medium"}],"updated_at":"2026-11-02T15:28:13.47097Z"},{"id":"CVE-2012-5374","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2013-02-18T11:56:38Z","modified":"2026-04-10T03:42:32.230129Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2012-5374","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"published","published":"2013-02-18T11:56:38.713Z","modified":"2026-10-23T17:47:39.01630041Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"UBUNTU-CVE-2012-5374","description":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (extended runtime of kernel code) by creating many different files whose names are associated with the same CRC32C hash value.","status":"withdrawn","published":"2013-02-18T00:00:00Z","modified":"2026-02-04T03:10:14.245252Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}