{"id":"CVE-2017-15126","state":"PUBLISHED","title":"A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failur","description":"A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put().","publishedAt":"2018-01-14T06:00:00.000Z","updatedAt":"2024-08-05T19:50:16.412Z","severity":null,"assigner":"redhat","products":["n/a Linux Kernel before 4.13.6"],"affected":[{"vendor":"n/a","product":"Linux Kernel before 4.13.6","versions":[{"version":"Linux Kernel before 4.13.6","status":"affected"}]}],"references":["http://www.securityfocus.com/bid/102516","http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252","https://bugzilla.redhat.com/show_bug.cgi?id=1523481","https://access.redhat.com/errata/RHSA-2018:1062","https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252","https://access.redhat.com/errata/RHSA-2018:0676","https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6","https://access.redhat.com/security/cve/CVE-2017-15126"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T19:43:23.091Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/15xxx/CVE-2017-15126.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-15126","state":"PUBLISHED","datePublished":"2018-01-14T06:00:00.000Z","dateUpdated":"2024-08-05T19:50:16.412Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2017-10-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free flaw was found in fs/userfaultfd.c in the Linux kernel before 4.13.6. The issue is related to the handling of fork failure when dealing with event messages. Failure to fork correctly can lead to a situation where a fork event will be removed from an already freed list of events with userfaultfd_ctx_put()."}],"affected":[{"vendor":"n/a","product":"Linux Kernel before 4.13.6","versions":[{"version":"Linux Kernel before 4.13.6","status":"affected"}]}],"references":[{"url":"http://www.securityfocus.com/bid/102516","name":"102516","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1523481","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1062","name":"RHSA-2018:1062","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0676","name":"RHSA-2018:0676","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-15126","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2018-05-06T09:57:01.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"datePublic":"2018-01-14T00:00:00.000Z"},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.securityfocus.com/bid/102516","name":"102516","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=384632e67e0829deb8015ee6ad916b180049d252","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1523481","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2018:1062","name":"RHSA-2018:1062","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2018:0676","name":"RHSA-2018:0676","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-15126","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T19:50:16.412Z"}}]}}}