Vendor / Project: Linux Product: Kernel Description: The overlayfs stacking file system in Linux kernel does not properly validate the application of file capabilities against user namespaces, which could lead to privilege escalation. Required Action: Apply updates per vendor instructions. Due Date: 2022-11-10 Ransomware Campaign Use: Unknown CWEs: CWE-862 Notes: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7c03e2cda4a584cadc398e8f6641ca9988a39d52; https://nvd.nist.gov/vuln/detail/CVE-2021-3493
CVE-2021-3493 — Linux Kernel Privilege Escalation Vulnerability
Kurzinfo
Metadaten
- Original (extern): Link oeffnen
- Veroeffentlicht: 2022-10-20 00:00 UTC
- Importiert: 2026-10-20 22:46 UTC
- CVSS: 8.8
- Quelle-ID:
cisa_kev - uid_hash:
a2c046ce5779e9a3cf67ea5a1bb4400b561f70931085ebedbac86ff7bc4f7a11
Inhalt
Verknuepfte CVEs
| CVE-ID | Severity (Quelle) | CVSS (Quelle) | Severity (CVE.org) | CVSS (CVE.org) | EPSS | EPSS-Pctl | Veroeffentlicht (CVE.org) |
|---|---|---|---|---|---|---|---|
HIGH |
8.8 |
HIGH |
8.8 |
2021-04-17 |
Quellen-Details
| Bezeichnung | Name | Kategorie | Tags | Zielgruppe | Sprache | Feed-URL |
|---|---|---|---|---|---|---|
| CISA – Known Exploited Vulnerabilities (KEV) | threat_intel | cisa, kev | - | de | https://raw.githubusercontent.com/cisagov/kev-data/develop/known_exploited_vulnerabilities.json |