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CVE-2023-2640

CVE-2023-2640

CVSS 7.8 HIGHEPSS 15.8%CWE-863
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Canonical · Ubuntu Kernel

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Referências
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-2640https://lists.ubuntu.com/archives/kernel-team/2023-July/140923.htmlhttps://ubuntu.com/security/notices/USN-6250-1https://wiz.io/blog/ubuntu-overlayfs-vulnerability