PT-2022-10829 · Linux Mint+1 · Linuxmint+1

Finderneonifinder + 2 · Published 2022-05-17 · Updated 2025-08-26 · CVE-2021-3899

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 No specific software or versions are mentioned in the provided descriptions.

Description A race condition exists in the 'replaced executable' detection. This issue can be exploited, with the correct local configuration, to allow an attacker to execute arbitrary code as root.

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

Exploit

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2021-3899

USN-5427-1

USN-6894-1

Affected Products

Linuxmint

Ubuntu

References · 20

• 🔥 https://github.com/liumuqing/CVE-2021-3899_PoC · Exploit
• https://ubuntu.com/security/notices/USN-6894-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3899 · Security Note
• https://ubuntu.com/security/CVE-2022-1242 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3899 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-28652 · Vendor Advisory
• https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376 · Patch
• https://ubuntu.com/security/CVE-2022-28658 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6894-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3899 · Security Note
• https://ubuntu.com/security/CVE-2022-28654 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5427-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3899 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-28656 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-28657 · Vendor Advisory