CVE-2023-2640 (ubuntu_linux) | allinfosecnews.com

July 26, 2023, 2:15 a.m. |

National Vulnerability Database web.nvd.nist.gov

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.

attributes cve files may overlayfs permission privileged security ubuntu

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