[ubuntu/groovy-updates] linux-azure_5.8.0-1032.34_amd64.tar.gz - (Accepted)

Stefan Bader stefan.bader at canonical.com
Tue May 11 17:10:54 UTC 2021 

linux-azure (5.8.0-1032.34) groovy; urgency=medium

  [ Ubuntu: 5.8.0-53.60 ]

  * CVE-2021-3491
    - io_uring: fix provide_buffers sign extension
    - 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
    - bpf: Fix a verifier failure with xor
    - 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

Date: Thu, 06 May 2021 10:06:14 +0200
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Maintainer: Launchpad Build Daemon <buildd at lgw01-amd64-052.buildd>

-------------- next part --------------
Format: 1.8
Date: Thu, 06 May 2021 10:06:14 +0200
Source: linux-azure
Binary: linux-azure-cloud-tools-5.8.0-1032 linux-azure-headers-5.8.0-1032 linux-azure-tools-5.8.0-1032 linux-buildinfo-5.8.0-1032-azure linux-cloud-tools-5.8.0-1032-azure linux-headers-5.8.0-1032-azure linux-image-unsigned-5.8.0-1032-azure linux-modules-5.8.0-1032-azure linux-modules-extra-5.8.0-1032-azure linux-tools-5.8.0-1032-azure
Architecture: amd64 all amd64_translations
Version: 5.8.0-1032.34
Distribution: groovy
Urgency: medium
Maintainer: Launchpad Build Daemon <buildd at lgw01-amd64-052.buildd>
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Description:
 linux-azure-cloud-tools-5.8.0-1032 - Linux kernel version specific cloud tools for version 5.8.0-1032
 linux-azure-headers-5.8.0-1032 - Header files related to Linux kernel version 5.8.0
 linux-azure-tools-5.8.0-1032 - Linux kernel version specific tools for version 5.8.0-1032
 linux-buildinfo-5.8.0-1032-azure - Linux kernel buildinfo for version 5.8.0 on 64 bit x86 SMP
 linux-cloud-tools-5.8.0-1032-azure - Linux kernel version specific cloud tools for version 5.8.0-1032
 linux-headers-5.8.0-1032-azure - Linux kernel headers for version 5.8.0 on 64 bit x86 SMP
 linux-image-unsigned-5.8.0-1032-azure - Linux kernel image for version 5.8.0 on 64 bit x86 SMP
 linux-modules-5.8.0-1032-azure - Linux kernel extra modules for version 5.8.0 on 64 bit x86 SMP
 linux-modules-extra-5.8.0-1032-azure - Linux kernel extra modules for version 5.8.0 on 64 bit x86 SMP
 linux-tools-5.8.0-1032-azure - Linux kernel version specific tools for version 5.8.0-1032
Changes:
 linux-azure (5.8.0-1032.34) groovy; urgency=medium
 .
   [ Ubuntu: 5.8.0-53.60 ]
 .
   * CVE-2021-3491
     - io_uring: fix provide_buffers sign extension
     - 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
     - bpf: Fix a verifier failure with xor
     - 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
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