CVE-2021-3493

UNKNOWNKnown Exploited

CISA Known Exploited Vulnerability

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7c03e2cda4a584cadc398e8f6641ca9988a39d52; https://nvd.nist.gov/vuln/detail/CVE-2021-3493

Remediation deadline: November 10, 2022

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.

Timeline

Published:October 20th, 2022 12:00 AM

Last modified:October 20th, 2022 12:00 AM

Added to KEV:October 20th, 2022

CVSS Scoring

No CVSS v3 score available

Affected Software

From NVD CPE configuration data

Vendors

Linux

Products

Kernel

Weaknesses (CWE)

CWE-862

References & Reports

Advisories, patches, and third-party reports

No references available.

Source: CISA KEV + NVD · Data may lag official sources by up to one minute