CVE-2020-27815

kernel: Array index out of bounds access when setting extended attributes on journaling filesystems.

Published May 26, 2021 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2557-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2586-1 linux security update
Debian DSA Debian DSA DSA-4843-1 linux security update
EUVD EUVD EUVD-2020-20316 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.
Ubuntu USN Ubuntu USN USN-4748-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4749-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4750-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4751-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4752-1 Linux kernel (OEM) vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00183}

epss

{'score': 0.00182}