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Ubuntu: (Multiple Advisories) (CVE-2023-2640): Linux kernel (OEM) vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-2640): Linux kernel (OEM) vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/25/2023
Created
07/26/2023
Added
07/26/2023
Modified
08/14/2023

Description

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.

Solution(s)

  • ubuntu-upgrade-linux-image-5-19-0-1029-aws
  • ubuntu-upgrade-linux-image-5-19-0-1030-gcp
  • ubuntu-upgrade-linux-image-5-19-0-50-generic
  • ubuntu-upgrade-linux-image-5-19-0-50-generic-64k
  • ubuntu-upgrade-linux-image-5-19-0-50-generic-lpae
  • ubuntu-upgrade-linux-image-6-0-0-1020-oem
  • ubuntu-upgrade-linux-image-6-1-0-1019-oem
  • ubuntu-upgrade-linux-image-6-2-0-1006-ibm
  • ubuntu-upgrade-linux-image-6-2-0-1008-aws
  • ubuntu-upgrade-linux-image-6-2-0-1008-azure
  • ubuntu-upgrade-linux-image-6-2-0-1008-oracle
  • ubuntu-upgrade-linux-image-6-2-0-1009-kvm
  • ubuntu-upgrade-linux-image-6-2-0-1009-lowlatency
  • ubuntu-upgrade-linux-image-6-2-0-1009-lowlatency-64k
  • ubuntu-upgrade-linux-image-6-2-0-1009-raspi
  • ubuntu-upgrade-linux-image-6-2-0-1010-gcp
  • ubuntu-upgrade-linux-image-6-2-0-26-generic
  • ubuntu-upgrade-linux-image-6-2-0-26-generic-64k
  • ubuntu-upgrade-linux-image-6-2-0-26-generic-lpae
  • ubuntu-upgrade-linux-image-aws
  • ubuntu-upgrade-linux-image-azure
  • ubuntu-upgrade-linux-image-gcp
  • ubuntu-upgrade-linux-image-generic
  • ubuntu-upgrade-linux-image-generic-64k
  • ubuntu-upgrade-linux-image-generic-64k-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-hwe-22-04
  • ubuntu-upgrade-linux-image-generic-lpae
  • ubuntu-upgrade-linux-image-generic-lpae-hwe-22-04
  • ubuntu-upgrade-linux-image-ibm
  • ubuntu-upgrade-linux-image-kvm
  • ubuntu-upgrade-linux-image-lowlatency
  • ubuntu-upgrade-linux-image-lowlatency-64k
  • ubuntu-upgrade-linux-image-oem-22-04b
  • ubuntu-upgrade-linux-image-oem-22-04c
  • ubuntu-upgrade-linux-image-oracle
  • ubuntu-upgrade-linux-image-raspi
  • ubuntu-upgrade-linux-image-raspi-nolpae
  • ubuntu-upgrade-linux-image-virtual
  • ubuntu-upgrade-linux-image-virtual-hwe-22-04

References

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