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CVE-2012-0055

HIGHCVSS 7.8/10EPSS 1.24%

Last modified

CVE-2012-0055 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.24%

65.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 3.0.0
CanonicalUbuntu Linux10.04
CanonicalUbuntu Linux11.10

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-0055?
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.
How severe is CVE-2012-0055?
CVE-2012-0055 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.24% probability of exploitation in the next 30 days.
How do I fix CVE-2012-0055?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST