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.

Related CPE's

o

linux

linux_kernel

2

o

netapp

h300s_firmware

-

Vulnerable

h

netapp

h300s

-

o

netapp

h500s_firmware

-

Vulnerable

h

netapp

h500s

-

o

netapp

h700s_firmware

-

Vulnerable

h

netapp

h700s

-

o

netapp

h300e_firmware

-

Vulnerable

h

netapp

h300e

-

o

netapp

h500e_firmware

-

Vulnerable

h

netapp

h500e

-

o

netapp

h700e_firmware

-

Vulnerable

h

netapp

h700e

-

o

netapp

h410s_firmware

-

Vulnerable

h

netapp

h410s

-

o

netapp

h410c_firmware

-

Vulnerable

h

netapp

h410c

-

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2

Mailing ListPatchRelease NotesVendor Advisory

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe

PatchVendor Advisory

https://security.netapp.com/advisory/ntap-20210727-0006/

Third Party Advisory

https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func

PatchThird Party Advisory

https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b

PatchThird Party Advisory

Weaknesses

[email protected]

Primary
CWE-416

CVSS impact metrics

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.8 · High

  • CVSS V3.1

  • CVSS V3.0

  • CVSS V2.0

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2021-06-07T20:15:08.313

4 years ago

Last modified

2023-02-24T18:40:36.923

2 years ago