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Mend.io Vulnerability Database

CVE-2020-27815

Date: May 26, 2021

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Language: C

Severity Score

5.0

Related Resources (19)

Url: https://www.debian.org/security/2021/dsa-4843

Url: https://access.redhat.com/security/cve/CVE-2020-27815

Url: http://www.openwall.com/lists/oss-security/2020/12/28/1

Url: https://github.com/gregkh/linux/commit/c61b3e4839007668360ed8b87d7da96d2e59fc6c

Url: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-27815

Url: https://www.openwall.com/lists/oss-security/2020/11/30/5%2C

Url: https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html

Url: https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1897668,

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-27815

Url: https://security-tracker.debian.org/tracker/CVE-2020-27815

Url: https://www.openwall.com/lists/oss-security/2020/12/28/1%2C

Url: https://www.openwall.com/lists/oss-security/2020/11/30/5,

Url: http://www.openwall.com/lists/oss-security/2020/11/30/5

Url: https://www.openwall.com/lists/oss-security/2020/12/28/1,

Url: https://security.netapp.com/advisory/ntap-20210702-0004/

Url: https://www.mend.io/vulnerability-database/CVE-2020-27815

Severity Score

5.0

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Write

CWE-787

CVSS v3

Base Score:	5.0
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL

CVSS v2

Base Score:	7.8
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH
Additional information:

Mend.io Vulnerability Database

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CVE-2020-27815

Date: May 26, 2021

Language: C

Severity Score

Related Resources (19)

Severity Score

Weakness Type (CWE)

CVSS v3

CVSS v2

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