CVE-2021-32606
Linux Kernel CAN ISOTP Use-After-Free Privilege Escalation Vulnerability
Description
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.)
INFO
Published Date :
May 11, 2021, 11:15 p.m.
Last Modified :
March 25, 2024, 1:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-32606 has a 3 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-32606
.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Linux & Android Kernel Vulnerability research and exploitation
exploitation kernel-bypass kernel-exploitation kernel-security linux linux-kernel-hacking pwn vulnerability-research lpe privilege-escalation privilege-escalation-exploits
None
A collection of links related to Linux kernel security and exploitation
linux-kernel kernel-exploitation exploit privilege-escalation security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-32606
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-32606
vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 25, 2024
Action Type Old Value New Value Added Reference MITRE https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b17c400aeb44daf041627722581ade527bb3c1d [No types assigned] -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/ -
Modified Analysis by [email protected]
Sep. 07, 2021
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20210625-0001/ No Types Assigned https://security.netapp.com/advisory/ntap-20210625-0001/ Third Party Advisory -
CVE Modified by [email protected]
Jun. 25, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210625-0001/ [No Types Assigned] -
Reanalysis by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (including) 5.12.2 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.9 -
Modified Analysis by [email protected]
Jun. 03, 2021
Action Type Old Value New Value Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/28/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/28/1 Mailing List, Patch, Third Party Advisory -
CVE Modified by [email protected]
May. 28, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/28/1 [No Types Assigned] -
Modified Analysis by [email protected]
May. 26, 2021
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 20, 2021
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/ [No Types Assigned] -
Initial Analysis by [email protected]
May. 19, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/12/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/12/1 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/13/2 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/13/2 Mailing List, Third Party Advisory Changed Reference Type http://www.openwall.com/lists/oss-security/2021/05/14/1 No Types Assigned http://www.openwall.com/lists/oss-security/2021/05/14/1 Mailing List, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2021/05/11/16 No Types Assigned https://www.openwall.com/lists/oss-security/2021/05/11/16 Mailing List, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (including) 5.12.2 -
CVE Modified by [email protected]
May. 14, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/14/1 [No Types Assigned] -
CVE Modified by [email protected]
May. 14, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/13/2 [No Types Assigned] -
CVE Modified by [email protected]
May. 12, 2021
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2021/05/12/1 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-32606
is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-32606
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.12065
percentile