CVE-2021-32606

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.43% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 37.0% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-05-11 00:00Z5 YR AGO

Last updated

2024-08-03 23:25Z2 YR AGO

Reserved

2021-05-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.1

Document digest

497c8df61e61a6a1d31afa4e5fa08e72bb536103fa8c782693a2c420e1a3655f

• www.openwall.comhttps://www.openwall.com/lists/oss-security/2021/05/11/16
• www.openwall.com[oss-security] 20210512 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalationhttp://www.openwall.com/lists/oss-security/2021/05/12/1mailing-list
• www.openwall.com[oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalationhttp://www.openwall.com/lists/oss-security/2021/05/13/2mailing-list
• www.openwall.com[oss-security] 20210514 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalationhttp://www.openwall.com/lists/oss-security/2021/05/14/1mailing-list
• lists.fedoraproject.orgFEDORA-2021-4f852b79d1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HD3NJBG25AADVGPRC63RX2JOQBMPSWK4/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-bae582b42chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GI7Z7UBWBGD3ABNIL2DC7RQDCGA4UVQW/vendor-advisory
• lists.fedoraproject.orgFEDORA-2021-8832eab899https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73D53S4IZFPFQMRABMXXLW4AJK3EULDX/vendor-advisory
• www.openwall.com[oss-security] 20210528 Re: Linux kernel: net/can/isotp: race condition leads to local privilege escalationhttp://www.openwall.com/lists/oss-security/2021/05/28/1mailing-list
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210625-0001/
• git.kernel.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b17c400aeb44daf041627722581ade527bb3c1d