Fedora 32: 2021-6e581c051a Moderate: Glibc Buffer Overrun Correction

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.

- 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)

* 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)

[ 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

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

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