[ubuntu/focal-updates] linux-oem-5.10_5.10.0-1026.27_amd64.tar.gz - (Accepted)

[Stefan Bader]

linux-oem-5.10 (5.10.0-1026.27) focal; urgency=medium

  * 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

Date: Thu, 06 May 2021 08:12:02 +0200
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Maintainer: Launchpad Build Daemon <buildd at lgw01-amd64-025.buildd>

-------------- next part --------------
Format: 1.8
Date: Thu, 06 May 2021 08:12:02 +0200
Source: linux-oem-5.10
Binary: linux-buildinfo-5.10.0-1026-oem linux-headers-5.10.0-1026-oem linux-image-unsigned-5.10.0-1026-oem linux-modules-5.10.0-1026-oem linux-oem-5.10-headers-5.10.0-1026 linux-oem-5.10-tools-5.10.0-1026 linux-oem-5.10-tools-host linux-tools-5.10.0-1026-oem
Architecture: amd64 all amd64_translations
Version: 5.10.0-1026.27
Distribution: focal
Urgency: medium
Maintainer: Launchpad Build Daemon <buildd at lgw01-amd64-025.buildd>
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Description:
 linux-buildinfo-5.10.0-1026-oem - Linux kernel buildinfo for version 5.10.0 on 64 bit x86 SMP
 linux-headers-5.10.0-1026-oem - Linux kernel headers for version 5.10.0 on 64 bit x86 SMP
 linux-image-unsigned-5.10.0-1026-oem - Linux kernel image for version 5.10.0 on 64 bit x86 SMP
 linux-modules-5.10.0-1026-oem - Linux kernel extra modules for version 5.10.0 on 64 bit x86 SMP
 linux-oem-5.10-headers-5.10.0-1026 - Header files related to Linux kernel version 5.10.0
 linux-oem-5.10-tools-5.10.0-1026 - Linux kernel version specific tools for version 5.10.0-1026
 linux-oem-5.10-tools-host - Linux kernel VM host tools
 linux-tools-5.10.0-1026-oem - Linux kernel version specific tools for version 5.10.0-1026
Changes:
 linux-oem-5.10 (5.10.0-1026.27) focal; urgency=medium
 .
   * 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
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