PT-2020-16802 · Linux+5 · Linux Kernel+5

Butt3Rflyh4Ck · Published 2020-11-11 · Updated 2023-07-28 · CVE-2020-27815

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux Kernel (affected versions not specified)

Description A flaw was found in the JFS filesystem code, allowing 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 issue is to confidentiality, integrity, as well as system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

ALT-PU-2020-3256

AZL-31148

AZL-34856

CVE-2020-27815

DLA-2557-1

DLA-2586-1

DSA-4843-1

OESA-2021-1003

OPENSUSE-SU-2021:0532-1

OPENSUSE-SU-2021:0758-1

OPENSUSE-SU-2021:1975-1

OPENSUSE-SU-2021:1977-1

OPENSUSE-SU-2021_0532-1

OPENSUSE-SU-2021_0758-1

OPENSUSE-SU-2021_1975-1

OPENSUSE-SU-2021_1977-1

SUSE-SU-2021:1175-1

SUSE-SU-2021:1176-1

SUSE-SU-2021:1177-1

SUSE-SU-2021:1210-1

SUSE-SU-2021:1211-1

SUSE-SU-2021:1238-1

SUSE-SU-2021:1573-1

SUSE-SU-2021:1596-1

SUSE-SU-2021:1624-1

SUSE-SU-2021:1625-1

SUSE-SU-2021:1975-1

SUSE-SU-2021:1977-1

USN-4748-1

USN-4749-1

USN-4750-1

USN-4751-1

USN-4752-1

Affected Products

Alt Linux

Astra Linux

Linux Kernel

Linuxmint

Suse

Ubuntu

References · 543

• 🔥 https://openwall.com/lists/oss-security/2020/11/30/5, · Exploit
• 🔥 http://openwall.com/lists/oss-security/2020/11/30/5 · Exploit
• 🔥 https://openwall.com/lists/oss-security/2020/12/28/1, · Exploit
• 🔥 http://openwall.com/lists/oss-security/2020/12/28/1 · Exploit
• https://ubuntu.com/security/CVE-2020-25212 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:1975-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-29371 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27830 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29569 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2021:1625-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27673 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25668 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-14351 · Security Note
• https://ubuntu.com/security/CVE-2020-28974 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-27777 · Vendor Advisory