[ubuntu/bionic-security] linux-gke-5.4 5.4.0-1042.44~18.04.1 (Accepted)

[Andy Whitcroft]

linux-gke-5.4 (5.4.0-1042.44~18.04.1) bionic; urgency=medium

  [ Ubuntu: 5.4.0-1042.44 ]

  * 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

  [ Ubuntu: 5.4.0-1041.43 ]

  * focal/linux-gke: 5.4.0-1041.43 -proposed tracker (LP: #1922201)
  *  Kernel panic on `5.4.0-1033-gke` (Kernel panic - not syncing: Aiee, killing
    interrupt handler!) possibly iscsi related  (LP: #1921825)
    - scsi: iscsi: iscsi_tcp: Avoid holding spinlock while calling getpeername()

Date: 2021-04-13 22:22:09.354675+00:00
Changed-By: Ian <ian.may at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-gke-5.4/5.4.0-1042.44~18.04.1
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