Vulnerability CVE-2021-3997: Information
Description
A flaw was found in systemd. 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.
Severity: MEDIUM (5.5) Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| systemd | sisyphus | 249.9-alt1 | 255.6-alt2 | ALT-PU-2022-1059-1 | 293502 | Fixed |
| systemd | sisyphus_e2k | 249.16-alt2.E2K.2 | 254.10-alt2.E2K.1 | ALT-PU-2023-7579-1 | - | Fixed |
| systemd | sisyphus_riscv64 | 249.9-alt1 | 255.6-alt0.port | ALT-PU-2022-3636-1 | - | Fixed |
| systemd | p10 | 249.9-alt1 | 249.17-alt2 | ALT-PU-2022-1142-1 | 293511 | Fixed |
| systemd | p10_e2k | 249.16-alt2.E2K.2 | 249.16-alt2.E2K.2 | ALT-PU-2023-7552-1 | - | Fixed |
| systemd | p9 | 247.11-alt1 | 247.13-alt1 | ALT-PU-2022-1212-1 | 293887 | Fixed |
| systemd | c10f1 | 249.9-alt1 | 249.17-alt2 | ALT-PU-2022-1142-1 | 293511 | Fixed |
| systemd | p11 | 249.9-alt1 | 255.6-alt2 | ALT-PU-2022-1059-1 | 293502 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3997 |
|
| https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1 |
|
| https://bugzilla.redhat.com/show_bug.cgi?id=2024639 |
|
| https://www.openwall.com/lists/oss-security/2022/01/10/2 |
|
| GLSA-202305-15 |