{"id":"CVE-2019-19039","state":"PUBLISHED","title":"__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sen","description":"__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as not being a vulnerability because “1) The kernel provide facilities to restrict access to dmesg - dmesg_restrict=1 sysctl option. So it's really up to the system administrator to judge whether dmesg access shall be disallowed or not. 2) WARN/WARN_ON are widely used macros in the linux kernel. If this CVE is considered valid this would mean there are literally thousands CVE lurking in the kernel - something which clearly is not the case.","publishedAt":"2019-11-21T01:40:53.000Z","updatedAt":"2024-08-05T02:09:38.149Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039","https://usn.ubuntu.com/4414-1/","https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:43.853Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/19xxx/CVE-2019-19039.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-19039","state":"PUBLISHED","datePublished":"2019-11-21T01:40:53.000Z","dateUpdated":"2024-08-05T02:09:38.149Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-11-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"__btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as not being a vulnerability because “1) The kernel provide facilities to restrict access to dmesg - dmesg_restrict=1 sysctl option. So it's really up to the system administrator to judge whether dmesg access shall be disallowed or not. 2) WARN/WARN_ON are widely used macros in the linux kernel. If this CVE is considered valid this would mean there are literally thousands CVE lurking in the kernel - something which clearly is not the case."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039","tags":["x_refsource_MISC"]},{"url":"https://usn.ubuntu.com/4414-1/","name":"USN-4414-1","tags":["vendor-advisory","x_refsource_UBUNTU"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html","name":"[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2020-12-10T23:06:20.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"tags":["disputed"],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2019-19039","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"** DISPUTED ** __btrfs_free_extent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfs_print_leaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as not being a vulnerability because “1) The kernel provide facilities to restrict access to dmesg - dmesg_restrict=1 sysctl option. So it's really up to the system administrator to judge whether dmesg access shall be disallowed or not. 2) WARN/WARN_ON are widely used macros in the linux kernel. If this CVE is considered valid this would mean there are literally thousands CVE lurking in the kernel - something which clearly is not the case.”"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039","refsource":"MISC","url":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039"},{"name":"USN-4414-1","refsource":"UBUNTU","url":"https://usn.ubuntu.com/4414-1/"},{"name":"[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update","refsource":"MLIST","url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19039","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://usn.ubuntu.com/4414-1/","name":"USN-4414-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html","name":"[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T02:09:38.149Z"}}]}}}