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CVE-2023-2640

7.8
HIGHCVSS v3.1 Base Score
91.78%
HIGH RiskEPSS (100th percentile)

On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: Skip permission checking for trusted.overlayfs.* xattrs", an unprivileged user may set privileged extended attributes on the mounted files, leading them to be set on the upper files without the appropriate security checks.

Published: 7/26/2023
Modified: 11/21/2024
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Vulnerability Summary

CVSS v3 Score

7.8HIGH

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

EPSS Score (Exploitation Probability)

91.78%HIGH Exploitation Risk
100th percentile

This vulnerability has a 91.78% probability of being exploited in the next 30 days, ranking higher than 100% of all scored CVEs.

CWE Classification

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Similar SeverityHIGH