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Untriaged
Permalink CVE-2023-2640
7.8 HIGH
  • CVSS version: 3.1
  • Attack vector (AV): LOCAL
  • Attack complexity (AC): LOW
  • Privileges required (PR): LOW
  • User interaction (UI): NONE
  • Scope (S): UNCHANGED
  • Confidentiality impact (C): HIGH
  • Integrity impact (I): HIGH
  • Availability impact (A): HIGH
created 6 months ago
On Ubuntu kernels carrying both c914c0e27eb0 and "UBUNTU: SAUCE: overlayfs: …

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.

References

Affected products

Linux
  • <6.0.0-1020.20
  • <5.4.0-155.172
  • <6.2.0-26.26
ubantu_kernel
  • <6.0.0-1020.20
  • <5.4.0-155.172
  • <6.2.0-26.26

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