High severity8.1NVD Advisory· Published Jan 14, 2018· Updated Jun 17, 2026
CVE-2017-15126
CVE-2017-15126
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().
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Affected products
2- Range: <4.13.6
Patches
Vulnerability mechanics
References
8- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdVendor Advisory
- www.securityfocus.com/bid/102516nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2018:0676nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2018:1062nvdThird Party Advisory
- access.redhat.com/security/cve/CVE-2017-15126nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- github.com/torvalds/linux/commit/384632e67e0829deb8015ee6ad916b180049d252nvdThird Party Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.6nvdVendor Advisory
News mentions
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