[ubuntu/groovy-updates] linux-gcp_5.8.0-1031.32_amd64.tar.gz - (Accepted)

Stefan Bader stefan.bader at canonical.com
Tue May 11 17:10:55 UTC 2021 

linux-gcp (5.8.0-1031.32) 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 10:32:39 +0200
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Maintainer: Launchpad Build Daemon <buildd at lcy01-amd64-001.buildd>

-------------- next part --------------
Format: 1.8
Date: Thu, 06 May 2021 10:32:39 +0200
Source: linux-gcp
Binary: linux-buildinfo-5.8.0-1031-gcp linux-gcp-headers-5.8.0-1031 linux-gcp-tools-5.8.0-1031 linux-headers-5.8.0-1031-gcp linux-image-unsigned-5.8.0-1031-gcp linux-modules-5.8.0-1031-gcp linux-modules-extra-5.8.0-1031-gcp linux-tools-5.8.0-1031-gcp
Architecture: amd64 amd64_translations
Version: 5.8.0-1031.32
Distribution: groovy
Urgency: medium
Maintainer: Launchpad Build Daemon <buildd at lcy01-amd64-001.buildd>
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Description:
 linux-buildinfo-5.8.0-1031-gcp - Linux kernel buildinfo for version 5.8.0 on 64 bit x86 SMP
 linux-gcp-headers-5.8.0-1031 - Header files related to Linux kernel version 5.8.0
 linux-gcp-tools-5.8.0-1031 - Linux kernel version specific tools for version 5.8.0-1031
 linux-headers-5.8.0-1031-gcp - Linux kernel headers for version 5.8.0 on 64 bit x86 SMP
 linux-image-unsigned-5.8.0-1031-gcp - Linux kernel image for version 5.8.0 on 64 bit x86 SMP
 linux-modules-5.8.0-1031-gcp - Linux kernel extra modules for version 5.8.0 on 64 bit x86 SMP
 linux-modules-extra-5.8.0-1031-gcp - Linux kernel extra modules for version 5.8.0 on 64 bit x86 SMP
 linux-tools-5.8.0-1031-gcp - Linux kernel version specific tools for version 5.8.0-1031
Changes:
 linux-gcp (5.8.0-1031.32) 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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Files:
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 2796c3e5a1b2a4150ec0bd5b5057aa24 11412448 devel optional linux-gcp-headers-5.8.0-1031_5.8.0-1031.32_amd64.deb
 5f11fdceca6c3e08a7a6960c3d6c1658 5544128 devel optional linux-gcp-tools-5.8.0-1031_5.8.0-1031.32_amd64.deb
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 adc53566f93282a2d409a9a23c6b26ae 11410853 raw-signing - linux-gcp_5.8.0-1031.32_amd64.tar.gz
 adfb0a898b412bc5cf4da93a64db4ee5 27936 raw-translations - linux-gcp_5.8.0-1031.32_amd64_translations.tar.gz
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 90dd0b50ccde56474ec78192804c2f0b 10812308 kernel optional linux-image-unsigned-5.8.0-1031-gcp_5.8.0-1031.32_amd64.deb
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 8f36f607bf371e210ae8d555d46454b4 35490884 kernel optional linux-modules-extra-5.8.0-1031-gcp_5.8.0-1031.32_amd64.deb
 f39ed5bda2e30b7cd2e2d71079e4957a 1960 devel optional linux-tools-5.8.0-1031-gcp_5.8.0-1031.32_amd64.deb

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