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Package "linux-headers-5.3.0-76-generic"

Name: linux-headers-5.3.0-76-generic

Description:

Linux kernel headers for version 5.3.0 on 32 bit x86 SMP
Latest version: 5.3.0-76.72
Release: bionic (18.04)
Level: security
Repository: main
Head package: linux-hwe

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updates main 5.3.0-76.72

Changelog

Version: 5.3.0-76.72 2021-07-20 22:06:22 UTC

  linux-hwe (5.3.0-76.72) bionic; urgency=medium

  * CVE-2021-33909
    - SAUCE: seq_file: Disallow extremely large seq buffer allocations

 -- Thadeu Lima de Souza Cascardo <email address hidden> Thu, 15 Jul 2021 06:36:30 -0300
Source diff to previous version
CVE-2021-33909 fs/seq_file.c in the Linux kernel 3.16 through 5.13.x before 5.13.4 do ...

Version: 5.3.0-75.71 2021-06-23 09:06:26 UTC

  linux-hwe (5.3.0-75.71) bionic; urgency=medium

  * UAF on CAN BCM bcm_rx_handler (LP: #1931855)
    - SAUCE: can: bcm: delay release of struct bcm_op after synchronize_rcu

 -- Thadeu Lima de Souza Cascardo <email address hidden> Mon, 21 Jun 2021 05:40:08 -0300
Source diff to previous version
1931855 UAF on CAN BCM bcm_rx_handler

Version: 5.3.0-74.70 2021-04-20 12:06:47 UTC

  linux-hwe (5.3.0-74.70) bionic; urgency=medium

  * bionic/linux-hwe: 5.3.0-74.70 -proposed tracker (LP: #1924647)

  * setting extended attribute may cause memory leak (LP: #1924611)
    - SAUCE: vfs_setxattr: free converted value if xattr_permission returns error

 -- Stefan Bader <email address hidden> Fri, 16 Apr 2021 10:22:31 +0200
Source diff to previous version

Version: 5.3.0-73.69 2021-04-15 22:06:27 UTC

  linux-hwe (5.3.0-73.69) bionic; urgency=medium

  * overlayfs calls vfs_setxattr without cap_convert_nscap
    - vfs: move cap_convert_nscap() call into vfs_setxattr()

  * CVE-2021-3492
    - SAUCE: shiftfs: free allocated memory in shiftfs_btrfs_ioctl_fd_replace()
      error paths
    - SAUCE: shiftfs: handle copy_to_user() return values correctly

  * CVE-2021-29154
    - SAUCE: bpf, x86: Validate computation of branch displacements for x86-64
    - SAUCE: bpf, x86: Validate computation of branch displacements for x86-32

 -- Stefan Bader <email address hidden> Tue, 13 Apr 2021 10:13:22 +0200
Source diff to previous version
CVE-2021-3492 RESERVED
CVE-2021-29154 BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect c ...

Version: 5.3.0-72.68 2021-03-23 22:07:59 UTC

  linux-hwe (5.3.0-72.68) bionic; 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
CVE-2020-27170 An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/ ...
CVE-2020-27171 An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/ ...


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