CVE-2021-3483

CVE-2021-3483

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

Summary:

Reference Links(if available):

http://www.openwall.com/lists/oss-security/2021/04/07/1

https://bugzilla.redhat.com/show_bug.cgi?id=1948045

https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html

https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html

CVSS Score (if available)

v2: / MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

v3: / HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

Cobalt Strike Beacon Detected – 111[.]229[.]148[.]68:1443

Cobalt Strike Beacon Detected – 47[.]94[.]168[.]145:9999

Cobalt Strike Beacon Detected – 167[.]71[.]207[.]129:8080

Cobalt Strike Beacon Detected – 101[.]91[.]125[.]228:443

[RHYSIDA] – Ransomware Victim: Fylde Coast Academy Trust

Summary:

Reference Links(if available):

CVSS Score (if available)

Links to Exploits(if available)

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Cobalt Strike Beacon Detected – 111[.]229[.]148[.]68:1443

Cobalt Strike Beacon Detected – 47[.]94[.]168[.]145:9999

Cobalt Strike Beacon Detected – 167[.]71[.]207[.]129:8080

Cobalt Strike Beacon Detected – 101[.]91[.]125[.]228:443

[RHYSIDA] – Ransomware Victim: Fylde Coast Academy Trust