Description
A flaw was found in the Nosy driver in the Linux kernel. This issue allows a device to be inserted twice into a doubly-linked list, leading to a use-after-free when one of these devices is removed. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. Versions before kernel 5.12-rc6 are affected
References (5)
Core 5
Core References
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/04/07/1
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1948045
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210629-0002/
Scores
CVSS v3
7.8
EPSS
0.0017
EPSS Percentile
37.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-416
Status
published
Products (12)
debian/debian_linux
9.0
linux/linux_kernel
5.12 rc1 (5 CPE variants)
linux/linux_kernel
< 5.12
netapp/cloud_backup
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
netapp/h410s_firmware
netapp/h500e_firmware
netapp/h500s_firmware
... and 2 more
Published
May 17, 2021
Tracked Since
Feb 18, 2026