{"id":"CVE-2019-19241","state":"PUBLISHED","title":"In the Linux kernel before 5.4.2, the io_uring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. This is related to fs/io-wq.c, f","description":"In the Linux kernel before 5.4.2, the io_uring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. This is related to fs/io-wq.c, fs/io_uring.c, and net/socket.c. For example, an attacker can bypass intended restrictions on adding an IPv4 address to the loopback interface. This occurs because IORING_OP_SENDMSG operations, although requested in the context of an unprivileged user, are sometimes performed by a kernel worker thread without considering that context.","publishedAt":"2019-12-17T19:02:37.000Z","updatedAt":"2024-08-05T02:09:39.512Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2","https://bugs.chromium.org/p/project-zero/issues/detail?id=1975","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=181e448d8709e517c9c7b523fcd209f24eb38ca7","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d69e07793f891524c6bbf1e75b9ae69db4450953","https://security.netapp.com/advisory/ntap-20200103-0001/","https://usn.ubuntu.com/4284-1/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:43.853Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/19xxx/CVE-2019-19241.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-19241","state":"PUBLISHED","datePublished":"2019-12-17T19:02:37.000Z","dateUpdated":"2024-08-05T02:09:39.512Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-11-25T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In the Linux kernel before 5.4.2, the io_uring feature leads to requests that inadvertently have UID 0 and full capabilities, aka CID-181e448d8709. 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