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CVE-2020-10732

Good to know:

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Date: June 11, 2020

A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.

Language: C

Severity Score

Related Resources (25)

https://security-tracker.debian.org/tracker/CVE-2020-10732
https://usn.ubuntu.com/4439-1/
https://usn.ubuntu.com/4440-1/
https://github.com/google/kmsan/issues/76
https://access.redhat.com/errata/RHSA-2020:4431
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-10732
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
https://access.redhat.com/errata/RHSA-2020:4609
https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg@mail.gmail.com/
https://security.netapp.com/advisory/ntap-20210129-0005/
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732
https://access.redhat.com/security/cve/CVE-2020-10732
https://usn.ubuntu.com/4427-1/
https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a
https://twitter.com/grsecurity/status/1252558055629299712
https://nvd.nist.gov/vuln/detail/CVE-2020-10732
https://usn.ubuntu.com/4485-1/
https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg%40mail.gmail.com/
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
https://usn.ubuntu.com/4411-1/
https://access.redhat.com/errata/RHSA-2020:4062
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d
https://bugzilla.redhat.com/show_bug.cgi?id=1831399
https://access.redhat.com/errata/RHSA-2020:4060
https://www.mend.io/vulnerability-database/CVE-2020-10732

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Use of Uninitialized Resource

CWE-908

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-libc-headers - 5.8

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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