CVE-2020-36387: 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…

PriorityP338high7.8CVSS 3.1

AVLACLPRLUINSUCHIHAH

EPSS

0.39%

31.9th percentile

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.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 5.7.17-1 (bookworm)	linux 5.7.17-1 (bookworm)
linux	linux_kernel	>= 0 < 5.7.17-1	5.7.17-1
linux	linux_kernel	>= 0 < 5.7.17-1	5.7.17-1
linux	linux_kernel	>= 0 < 5.7.17-1	5.7.17-1
linux	linux_kernel	>= 0 < 5.7.17-1	5.7.17-1
linux	linux_kernel	>= 5.7 < 5.7.16	5.7.16
linux	linux_kernel	>= 5.8 < 5.8.2	5.8.2

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

osv7.8HIGH

vendor_debian7.8HIGH

vendor_redhat7.8HIGH

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