High severity7.8NVD Advisory· Published Jun 7, 2021· Updated Jun 17, 2026
CVE-2020-36387
CVE-2020-36387
Description
An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.
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Affected products
2- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
5- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2nvdMailing ListPatchRelease NotesVendor Advisory
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_funcnvdPatchThird Party Advisory
- syzkaller.appspot.com/bugnvdPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20210727-0006/nvdThird Party Advisory
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