PT-2022-7300 · Systemd+5 · Systemd+5

Pedro Sampaio · Published 2022-01-10 · Updated 2024-06-15 · CVE-2021-3997

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description A flaw was found in systemd, where an uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp. This issue can be exploited to cause a denial of service.

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

Exploit

DoS

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

ALT-PU-2022-1059

ALT-PU-2022-1142

ALT-PU-2022-1212

ALT-PU-2022-2566

AZL-10638

BDU:2024-02586

CVE-2021-3997

MGASA-2022-0016

OESA-2022-1503

OPENSUSE-SU-2022:0043-1

OPENSUSE-SU-2022:0539-1

OPENSUSE-SU-2022_0043-1

OPENSUSE-SU-2022_0539-1

OPENSUSE-SU-2024:11731-1

SUSE-SU-2022:0043-1

SUSE-SU-2022:0539-1

SUSE-SU-2022_0043-1

SUSE-SU-2022_0539-1

USN-5226-1

Affected Products

Alt Linux

Linuxmint

Red Os

Suse

Ubuntu

Systemd

References · 43

• 🔥 https://openwall.com/lists/oss-security/2022/01/10/2 · Exploit
• https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-3997 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-3997 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2022:0043-1 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-10638 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1503 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11731-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2024639 · Patch
• https://bdu.fstec.ru/vul/2024-02586 · Security Note
• https://ubuntu.com/security/CVE-2021-3997 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0043-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5226-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0539-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5226-1 · Vendor Advisory