Linux Security
    Linux Security
    Linux Security

    Fedora 32: glibc 2021-6e581c051a

    Date 19 Jan 2021
    369
    Posted By LinuxSecurity Advisories
    - x86: Check IFUNC definition in unrelocated executable [BZ #20019] - x86: Set header.feature_1 in TCB for always-on CET [BZ #27177] - x86-64: Avoid rep movsb with short distance [BZ #27130] - Fix for CVE-2019-25013 buffer overrun in EUC-KR conversion module (bz #24973) - Add NEWS entry for CVE-2020-29562 (BZ #26923) - iconv: Fix incorrect UCS4 inner loop bounds
    --------------------------------------------------------------------------------
    Fedora Update Notification
    FEDORA-2021-6e581c051a
    2021-01-20 01:26:41.922155
    --------------------------------------------------------------------------------
    
    Name        : glibc
    Product     : Fedora 32
    Version     : 2.31
    Release     : 5.fc32
    URL         : https://www.gnu.org/software/glibc/
    Summary     : The GNU libc libraries
    Description :
    The glibc package contains standard libraries which are used by
    multiple programs on the system. In order to save disk space and
    memory, as well as to make upgrading easier, common system code is
    kept in one place and shared between programs. This particular package
    contains the most important sets of shared libraries: the standard C
    library and the standard math library. Without these two libraries, a
    Linux system will not function.
    
    --------------------------------------------------------------------------------
    Update Information:
    
        - x86: Check IFUNC definition in unrelocated executable [BZ #20019]     -
    x86: Set header.feature_1 in TCB for always-on CET [BZ #27177]     - x86-64:
    Avoid rep movsb with short distance [BZ #27130]     - Fix for CVE-2019-25013
    buffer overrun in EUC-KR conversion module (bz #24973)     - Add NEWS entry for
    CVE-2020-29562 (BZ #26923)     - iconv: Fix incorrect UCS4 inner loop bounds
    (BZ#26923)     - tests-mcheck: New variable to run tests with MALLOC_CHECK_=3
    - iconv: Accept redundant shift sequences in IBM1364 [BZ #26224]     - sh: Add
    sh4 fpu Implies folder     - aarch64: Fix DT_AARCH64_VARIANT_PCS handling [BZ
    #26798]     - x86: Optimizing memcpy for AMD Zen architecture.     - Reversing
    calculation of __x86_shared_non_temporal_threshold     - AArch64: Use
    __memcpy_simd on Neoverse N2/V1     - [AArch64] Improve integer memcpy     -
    AArch64: Rename IS_ARES to IS_NEOVERSE_N1     - AArch64: Improve backwards
    memmove performance     - AArch64: Add optimized Q-register memcpy     -
    AArch64: Align ENTRY to a cacheline     - intl: Handle translation output
    codesets with suffixes [BZ #26383]     - Add NEWS entry for CVE-2016-10228 (bug
    19519)     - Rewrite iconv option parsing [BZ #19519]     - powerpc: Fix
    incorrect cache line size load in memset (bug 26332)     - nptl: Zero-extend
    arguments to SETXID syscalls [BZ #26248]     - Disable warnings due to
    deprecated libselinux symbols used by nss and nscd     - Add NEWS entry for
    CVE-2020-6096 (bug 25620)
    --------------------------------------------------------------------------------
    ChangeLog:
    
    * Wed Jan 13 2021 Patsy Griffin  - 2.31-5
    - Auto-sync with upstream branch release/2.31/master,
      commit af316e4627ea2069c0f690e926e04d92f802f054.
    - x86: Check IFUNC definition in unrelocated executable [BZ #20019]
    - x86: Set header.feature_1 in TCB for always-on CET [BZ #27177]
    - x86-64: Avoid rep movsb with short distance [BZ #27130]
    - Fix buffer overrun in EUC-KR conversion module (bz #24973)
    - Add NEWS entry for CVE-2020-29562 (BZ #26923)
    - iconv: Fix incorrect UCS4 inner loop bounds (BZ#26923)
    - tests-mcheck: New variable to run tests with MALLOC_CHECK_=3
    - iconv: Accept redundant shift sequences in IBM1364 [BZ #26224]
    - sh: Add sh4 fpu Implies folder
    - aarch64: Fix DT_AARCH64_VARIANT_PCS handling [BZ #26798]
    - x86: Optimizing memcpy for AMD Zen architecture.
    - Reversing calculation of __x86_shared_non_temporal_threshold
    - AArch64: Use __memcpy_simd on Neoverse N2/V1
    - [AArch64] Improve integer memcpy
    - AArch64: Rename IS_ARES to IS_NEOVERSE_N1
    - AArch64: Improve backwards memmove performance
    - AArch64: Add optimized Q-register memcpy
    - AArch64: Align ENTRY to a cacheline
    - intl: Handle translation output codesets with suffixes [BZ #26383]
    - Add NEWS entry for CVE-2016-10228 (bug 19519)
    - Rewrite iconv option parsing [BZ #19519]
    - powerpc: Fix incorrect cache line size load in memset (bug 26332)
    - nptl: Zero-extend arguments to SETXID syscalls [BZ #26248]
    - Disable warnings due to deprecated libselinux symbols used by nss and nscd
    - Add NEWS entry for CVE-2020-6096 (bug 25620)
    --------------------------------------------------------------------------------
    References:
    
      [ 1 ] Bug #1913056 - CVE-2019-25013 glibc: buffer over-read in iconv when processing invalid multi-byte input sequences in the EUC-KR encoding [fedora-all]
            https://bugzilla.redhat.com/show_bug.cgi?id=1913056
    --------------------------------------------------------------------------------
    
    This update can be installed with the "dnf" update program. Use
    su -c 'dnf upgrade --advisory FEDORA-2021-6e581c051a' at the command
    line. For more information, refer to the dnf documentation available at
    https://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
    
    All packages are signed with the Fedora Project GPG key. More details on the
    GPG keys used by the Fedora Project can be found at
    https://fedoraproject.org/keys
    --------------------------------------------------------------------------------
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