[ubuntu/focal-security] linux 5.4.0-70.78 (Accepted)

[Andy Whitcroft]

linux (5.4.0-70.78) focal; urgency=medium

  * CVE-2020-27170
    - bpf: Fix off-by-one for area size in creating mask to left

  * CVE-2020-27171
    - bpf: Prohibit alu ops for pointer types not defining ptr_limit

  * binary assembly failures with CONFIG_MODVERSIONS present (LP: #1919315)
    - [Packaging] quiet (nomially) benign errors in BUILD script

linux (5.4.0-69.77) focal; urgency=medium

  * CVE-2021-3444
    - bpf: Fix 32 bit src register truncation on div/mod
    - bpf: Fix truncation handling for mod32 dst reg wrt zero

  * CVE-2021-27365
    - scsi: iscsi: Verify lengths on passthrough PDUs
    - sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output
    - scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE

  * CVE-2021-27363 // CVE-2021-27364
    - scsi: iscsi: Restrict sessions and handles to admin capabilities

Date: 2021-03-19 13:16:08.174641+00:00
Changed-By: Kleber Sacilotto de Souza <kleber.souza at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux/5.4.0-70.78
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