CVE-2021-32606

Summary:

In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)

Reference Links(if available):

https://www.openwall.com/lists/oss-security/2021/05/11/16

http://www.openwall.com/lists/oss-security/2021/05/12/1

http://www.openwall.com/lists/oss-security/2021/05/13/2

http://www.openwall.com/lists/oss-security/2021/05/14/1

https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/

CVSS Score (if available)

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

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

Links to Exploits(if available)