[ubuntu/hirsute-security] linux-azure 5.11.0-1005.5 (Accepted)

[Andy Whitcroft]

linux-azure (5.11.0-1005.5) hirsute; urgency=medium

  [ Ubuntu: 5.11.0-17.18 ]

  * Race between isotp_bind and isotp_setsockopt (LP: #1927409)
    - SAUCE: Revert "can: isotp: add SF_BROADCAST support for functional
      addressing"
  * CVE-2021-3491
    - io_uring: fix overflows checks in provide buffers
    - SAUCE: proc: Avoid mixing integer types in mem_rw()
    - SAUCE: io_uring: truncate lengths larger than MAX_RW_COUNT on provide
      buffers
  * CVE-2021-3490
    - SAUCE: bpf: verifier: fix ALU32 bounds tracking with bitwise ops
  * CVE-2021-3489
    - SAUCE: bpf: ringbuf: deny reserve of buffers larger than ringbuf
    - SAUCE: bpf: prevent writable memory-mapping of read-only ringbuf pages

  [ Ubuntu: 5.11.0-16.17 ]

  * hirsute beta desktop AMD64 ISO kernel panic on boot when booting using UEFI
    (LP: #1922403)
    - SAUCE: efifb: Check efifb_pci_dev before using it

Date: 2021-05-06 18:26:09.406935+00:00
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-azure/5.11.0-1005.5
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