[ubuntu/bionic-security] linux-hwe-5.4 5.4.0-72.80~18.04.1 (Accepted)

[Andy Whitcroft]

linux-hwe-5.4 (5.4.0-72.80~18.04.1) bionic; urgency=medium

  [ Ubuntu: 5.4.0-72.80 ]

  * overlayfs calls vfs_setxattr without cap_convert_nscap
    - vfs: move cap_convert_nscap() call into vfs_setxattr()
  * CVE-2021-3492
    - SAUCE: shiftfs: free allocated memory in shiftfs_btrfs_ioctl_fd_replace()
      error paths
    - SAUCE: shiftfs: handle copy_to_user() return values correctly
  * CVE-2021-29154
    - SAUCE: bpf, x86: Validate computation of branch displacements for x86-64
    - SAUCE: bpf, x86: Validate computation of branch displacements for x86-32

Date: 2021-04-12 23:14:10.170225+00:00
Changed-By: Kelsey Skunberg <kelsey.skunberg at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-hwe-5.4/5.4.0-72.80~18.04.1
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