CVE-2020-36387
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-36387
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36387.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-36387
- Downstream
- Published
- 2021-06-07T20:15:08Z
- Modified
- 2025-08-09T19:01:27Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An issue was discovered in the Linux kernel before 5.8.2. fs/iouring.c has a use-after-free related to ioasynctaskfunc and ctx reference holding, aka CID-6d816e088c35.
- References
-
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe
- https://security.netapp.com/advisory/ntap-20210727-0006/
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func
- https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b
- https://security-tracker.debian.org/tracker/CVE-2020-36387
Affected packages
Debian:11 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:12 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:13 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source
Debian:14 / linux
Package
- Name
- linux
- Purl
- pkg:deb/debian/linux?arch=source