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openSUSE-SU-2019:2280-1

Опубликовано: 07 окт. 2019
Источник: suse-cvrf

Описание

Security update for libseccomp

This update for libseccomp fixes the following issues:

Security issues fixed:

  • CVE-2019-9893: An incorrect generation of syscall filters in libseccomp was fixed (bsc#1128828)

libseccomp was updated to new upstream release 2.4.1:

  • Fix a BPF generation bug where the optimizer mistakenly identified duplicate BPF code blocks.

libseccomp was updated to 2.4.0 (bsc#1128828 CVE-2019-9893):

  • Update the syscall table for Linux v5.0-rc5
  • Added support for the SCMP_ACT_KILL_PROCESS action
  • Added support for the SCMP_ACT_LOG action and SCMP_FLTATR_CTL_LOG attribute
  • Added explicit 32-bit (SCMP_AX_32(...)) and 64-bit (SCMP_AX_64(...)) argument comparison macros to help protect against unexpected sign extension
  • Added support for the parisc and parisc64 architectures
  • Added the ability to query and set the libseccomp API level via seccomp_api_get(3) and seccomp_api_set(3)
  • Return -EDOM on an endian mismatch when adding an architecture to a filter
  • Renumber the pseudo syscall number for subpage_prot() so it no longer conflicts with spu_run()
  • Fix PFC generation when a syscall is prioritized, but no rule exists
  • Numerous fixes to the seccomp-bpf filter generation code
  • Switch our internal hashing function to jhash/Lookup3 to MurmurHash3
  • Numerous tests added to the included test suite, coverage now at ~92%
  • Update our Travis CI configuration to use Ubuntu 16.04
  • Numerous documentation fixes and updates

libseccomp was updated to release 2.3.3:

  • Updated the syscall table for Linux v4.15-rc7

This update was imported from the SUSE:SLE-15:Update update project.

Список пакетов

openSUSE Leap 15.0
libseccomp-devel-2.4.1-lp150.2.3.1
libseccomp-tools-2.4.1-lp150.2.3.1
libseccomp2-2.4.1-lp150.2.3.1
libseccomp2-32bit-2.4.1-lp150.2.3.1

Описание

libseccomp before 2.4.0 did not correctly generate 64-bit syscall argument comparisons using the arithmetic operators (LT, GT, LE, GE), which might able to lead to bypassing seccomp filters and potential privilege escalations.


Затронутые продукты
openSUSE Leap 15.0:libseccomp-devel-2.4.1-lp150.2.3.1
openSUSE Leap 15.0:libseccomp-tools-2.4.1-lp150.2.3.1
openSUSE Leap 15.0:libseccomp2-2.4.1-lp150.2.3.1
openSUSE Leap 15.0:libseccomp2-32bit-2.4.1-lp150.2.3.1

Ссылки
Уязвимость openSUSE-SU-2019:2280-1