{"containers":{"cna":{"affected":[{"product":"kernel","vendor":"n/a","versions":[{"status":"affected","version":"Fixed in v5.15-rc1 and above."}]}],"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."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 - NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-04-07T23:10:44.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_MISC"],"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_CONFIRM"],"url":"https://security.netapp.com/advisory/ntap-20220407-0006/"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T17:01:07.948Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"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_CONFIRM","x_transferred"],"url":"https://security.netapp.com/advisory/ntap-20220407-0006/"}]}]},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2021-3739","datePublished":"2022-03-07T15:19:47.000Z","dateReserved":"2021-08-26T00:00:00.000Z","dateUpdated":"2024-08-03T17:01:07.948Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}