Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2012-0055 — Missing Authorization in Kernel

CWE-862 — Missing Authorization10 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 39.70%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
3
Linux KernelLinux Kernel OverlayfsCanonical Ubuntu Linux
Timeline
PublishedFeb 19
Latest updateApr 23

Description

OverlayFS in the Linux kernel before 3.0.0-16.28, as used in Ubuntu 10.0.4 LTS and 11.10, is missing inode security checks which could allow attackers to bypass security restrictions and perform unauthorized actions.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5linux_kernel/overlayfsas used in Ubuntu 10.0.4 LTS and 11.10, before 3.0.0-16.28+1
▶NVDlinux/linux_kernel< 3.0.0

Also affects: Ubuntu Linux 10.04, 11.10

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

1
GHSA
GHSA-9h57-rmgj-c639: OverlayFS in the Linux kernel before 3↗2022-04-23
▶

💥Exploits & PoCs

1
Exploit-DB
OverlayFS inode Security Checks - 'inode.c' Local Security Bypass↗2012-01-17
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel (Oneiric backport) vulnerabilities↗2012-03-06
▶
Ubuntu
Linux kernel vulnerabilities↗2012-02-13
▶
Ubuntu
Linux kernel (OMAP4) vulnerabilities↗2012-02-13
▶
Red Hat
CVE-2012-0055: OverlayFS in the Linux kernel before 3↗
▶

💬Community

2
Bugzilla
CVE-2012-2922 drupal7: full path disclosure vulnerability↗2012-05-23
▶
Bugzilla
CVE kernel non-issue statements↗2010-05-13
▶
CVE-2012-0055 — Missing Authorization in Linux Kernel | cvebase