{"id":"CVE-2021-3739","state":"PUBLISHED","title":"A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw al","description":"A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability.","publishedAt":"2022-03-07T15:19:47.000Z","updatedAt":"2024-08-03T17:01:07.948Z","severity":null,"assigner":"redhat","products":["n/a kernel"],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"Fixed in v5.15-rc1 and above.","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1997958","https://ubuntu.com/security/CVE-2021-3739","https://www.openwall.com/lists/oss-security/2021/08/25/3","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","https://security.netapp.com/advisory/ntap-20220407-0006/"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T19:48:55.807Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/3xxx/CVE-2021-3739.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-3739","state":"PUBLISHED","datePublished":"2022-03-07T15:19:47.000Z","dateUpdated":"2024-08-03T17:01:07.948Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-08-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A NULL pointer dereference flaw was found in the btrfs_rm_device function in fs/btrfs/volumes.c in the Linux Kernel, where triggering the bug requires ‘CAP_SYS_ADMIN’. This flaw allows a local attacker to crash the system or leak kernel internal information. The highest threat from this vulnerability is to system availability."}],"affected":[{"vendor":"n/a","product":"kernel","versions":[{"version":"Fixed in v5.15-rc1 and above.","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1997958","tags":["x_refsource_MISC"]},{"url":"https://ubuntu.com/security/CVE-2021-3739","tags":["x_refsource_MISC"]},{"url":"https://www.openwall.com/lists/oss-security/2021/08/25/3","tags":["x_refsource_MISC"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","tags":["x_refsource_MISC"]},{"url":"https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","tags":["x_refsource_MISC"]},{"url":"https://security.netapp.com/advisory/ntap-20220407-0006/","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 - NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2022-04-07T23:10:44.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1997958","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://ubuntu.com/security/CVE-2021-3739","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2021/08/25/3","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/e4571b8c5e9ffa1e85c0c671995bd4dcc5c75091","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20220407-0006/","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:01:07.948Z"}}]}}}