<p>There is no fixed version for <code>Centos:7</code> <code>kernel-rt-trace-devel</code>.</p>

Race Condition Affecting kernel-rt-trace-devel package, versions *

Threat Intelligence

0.04% (6^th percentile)

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Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2026402
published 26 Jul 2021
disclosed 18 Jul 2021

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Introduced: 18 Jul 2021

CVE-2021-3640 Open this link in a new tab CWE-362 Open this link in a new tab CWE-416 Open this link in a new tab

How to fix?

There is no fixed version for Centos:7 kernel-rt-trace-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

High
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

High
Integrity (I)

High
Availability (A)

High

Race Condition Affecting kernel-rt-trace-devel package, versions *

Severity

Based on CentOS security rating