🛡️ UBUNTU-CVE-2021-3847
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2022-04-01
Updated 2026-06-09
Modified 2026-06-08
Fix URL N/A

Affected Packages

Software From version Fixed in
linux
linux-aws
linux-aws-5.0
linux-aws-5.11
linux-aws-5.13
linux-aws-5.15
linux-aws-5.3
linux-aws-5.4
linux-aws-5.8
linux-aws-hwe
linux-azure
linux-azure-4.15
linux-azure-5.11
linux-azure-5.13
linux-azure-5.15
linux-azure-5.3
linux-azure-5.4
linux-azure-5.8
linux-azure-edge
linux-azure-fde
linux-azure-fde-5.15
linux-bluefield
linux-gcp
linux-gcp-4.15
linux-gcp-5.11
linux-gcp-5.13
linux-gcp-5.15
linux-gcp-5.3
linux-gcp-5.4
linux-gcp-5.8
linux-gke
linux-gke-4.15
linux-gke-5.15
linux-gke-5.4
linux-gkeop
linux-gkeop-5.4
linux-hwe
linux-hwe-5.11
linux-hwe-5.13
linux-hwe-5.15
linux-hwe-5.4
linux-hwe-5.8
linux-hwe-edge
linux-ibm
linux-intel-5.13
linux-intel-iotg
linux-intel-iotg-5.15
linux-kvm
linux-lowlatency
linux-lowlatency-hwe-5.15
linux-lts-xenial
linux-oem
linux-oem-5.10
linux-oem-5.13
linux-oem-5.14
linux-oem-5.17
linux-oem-5.6
linux-oem-6.0
linux-oracle
linux-oracle-5.0
linux-oracle-5.11
linux-oracle-5.13
linux-oracle-5.15
linux-oracle-5.3
linux-oracle-5.4
linux-oracle-5.8
linux-raspi
linux-raspi-5.4
linux-raspi2
linux-riscv
linux-riscv-5.11
linux-riscv-5.8

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