CVE-2021-3997
CVE-2021-3997: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2021-3997] flaw was found in systemd
CVE-2021-3997Source published Source updated
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. Red Hat Enterprise Linux 8 has a default 1024 nofile limit, thus preventing `systemd-tmpfiles` from exhausting its stack and crashing. For this reason, this flaw has been rated as having a security impact of Low on Red Hat Enterprise Linux 8. For more information on default ulimit values, please see. Hence, the systemd package shipped with OCP 4.7 will not be fixed and the fix will be consumed from RHEL 8. Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-674. Affected Red Hat products: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8. Will not fix / out of…
- Affected products in this advisory
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat package: systemd
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
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