{"id":"CVE-2012-5375","url":"https://www.cyber-defence.io/tools/cve/CVE-2012-5375","generatedAt":"2026-10-28T03:21:26.994Z","title":"The CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a…","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 (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.","published":"2013-02-18T11:56:39.000Z","lastModified":"2026-06-16T23:46:45.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4,"severity":"MEDIUM","vector":"AV:L/AC:H/Au:N/C:N/I:N/A:C"},"cwe":["CWE-310"],"affected":["linux/linux kernel"],"epss":{"score":0.00858,"percentile":0.5819,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2012-12-13","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":38132,"kind":"exploit","title":"Linux Kernel 3.3.5 - Btrfs CRC32C feature Infinite Loop Local Denial of Service","url":"https://www.exploit-db.com/exploits/38132","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/38132.py","file":"exploits/linux/dos/38132.py","published":"2012-12-13","added":"2012-12-13","updated":"2015-09-10","author":"Pascal Junod","type":"dos","platform":"linux","port":null,"verified":true,"codes":["CVE-2012-5375","OSVDB-88451"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://www.securityfocus.com/bid/56939/info"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 0.9%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/","source":"cve@mitre.org"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89","source":"cve@mitre.org"},{"url":"http://openwall.com/lists/oss-security/2012/12/13/20","source":"cve@mitre.org"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1944-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1945-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1946-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-1947-1","source":"cve@mitre.org"},{"url":"http://www.ubuntu.com/usn/USN-2017-1","source":"cve@mitre.org"},{"url":"https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89","tags":["Exploit","Patch"],"source":"cve@mitre.org"},{"url":"http://crypto.junod.info/2012/12/13/hash-dos-and-btrfs/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9c52057c698fb96f8f07e7a4bcf4801a092bda89","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://openwall.com/lists/oss-security/2012/12/13/20","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1944-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1945-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1946-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1947-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-2017-1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/torvalds/linux/commit/9c52057c698fb96f8f07e7a4bcf4801a092bda89","tags":["Exploit","Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2012-5375","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}