CVE-2021-32606

Sažetak

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

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
http://www.openwall.com/lists/oss-security/2021/05/28/1
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b17c400aeb44daf041627722581ade527bb3c1d
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/
https://security.netapp.com/advisory/ntap-20210625-0001/
https://www.openwall.com/lists/oss-security/2021/05/11/16

CVSS

Base:	7.2
Impact:	10.0
Exploitability:	3.9

Pristup

Vektor	Složenost	Autentikacija
LOCAL	LOW	NONE

Impact

Povjerljivost	Cjelovitost	Dostupnost
COMPLETE	COMPLETE	COMPLETE

CVSS vektor

AV:L/AC:L/Au:N/C:C/I:C/A:C

Zadnje važnije ažuriranje

25-03-2024 - 01:15

Objavljeno

11-05-2021 - 23:15