[ubuntu/jammy-proposed] linux 5.15.0-18.18 (Accepted)

[Andy Whitcroft]

linux (5.15.0-18.18) jammy; urgency=medium

  * jammy/linux: 5.15.0-18.18 -proposed tracker (LP: #1958638)

  * CVE-2021-4155
    - xfs: map unwritten blocks in XFS_IOC_{ALLOC, FREE}SP just like fallocate

  * CVE-2022-0185
    - SAUCE: vfs: test that one given mount param is not larger than PAGE_SIZE

  * [UBUNTU 20.04] KVM hardware diagnose data improvements for guest kernel -
    kernel part (LP: #1953334)
    - KVM: s390: add debug statement for diag 318 CPNC data

  * OOB write on BPF_RINGBUF (LP: #1956585)
    - SAUCE: bpf: prevent helper argument PTR_TO_ALLOC_MEM to have offset other
      than 0

  * Miscellaneous Ubuntu changes
    - [Config] re-enable shiftfs
    - [SAUCE] shiftfs: support kernel 5.15
    - [Config] update toolchain versions

  * Miscellaneous upstream changes
    - vfs: fs_context: fix up param length parsing in legacy_parse_param

Date: 2022-01-21 14:55:10.616163+00:00
Changed-By: Andrea Righi <andrea.righi at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux/5.15.0-18.18
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