CVE-2020-36387

Summary

CVE	CVE-2020-36387
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2021-06-07 20:15:00 UTC
Updated	2023-02-24 18:40:00 UTC
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.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Linux	Linux Kernel	All	All	All	All
Hardware	Netapp	H300e	-	All	All	All
Operating System	Netapp	H300e Firmware	-	All	All	All
Hardware	Netapp	H300s	-	All	All	All
Operating System	Netapp	H300s Firmware	-	All	All	All
Hardware	Netapp	H410c	-	All	All	All
Operating System	Netapp	H410c Firmware	-	All	All	All
Hardware	Netapp	H410s	-	All	All	All
Operating System	Netapp	H410s Firmware	-	All	All	All
Hardware	Netapp	H500e	-	All	All	All
Operating System	Netapp	H500e Firmware	-	All	All	All
Hardware	Netapp	H500s	-	All	All	All
Operating System	Netapp	H500s Firmware	-	All	All	All
Hardware	Netapp	H700e	-	All	All	All
Operating System	Netapp	H700e Firmware	-	All	All	All
Hardware	Netapp	H700s	-	All	All	All
Operating System	Netapp	H700s Firmware	-	All	All	All

References

Reference	Source	Link	Tags
KASAN: use-after-free Read in io_async_task_func	MISC	syzkaller.appspot.com
kernel/git/torvalds/linux.git - Linux kernel source tree	MISC	git.kernel.org
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2	MISC	cdn.kernel.org
CVE-2020-36387 Linux Kernel Vulnerability in NetApp Products \| NetApp Product Security	CONFIRM	security.netapp.com
SyzScope - KASAN: use-after-free Read in io_async_task_func	MISC	sites.google.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

180672 Debian Security Update for linux (CVE-2020-36387)