ELBA-2019-4859

ELBA-2019-4859 - binutils bug fix update

Type:	BUG
Severity:	NA
Release Date:	2019-11-22

Description

[2.27-41.base.0.3.el7_7.1]
- CVE-2018-12207 / Intel SKX102
- Introduce the following gas options:
-malign-branch
-malign-branch-boundary
-malign-branch-prefix-size
-mbranches-within-32B-boundaries
- Lessen the performance hit due to the Mitigation of Intel's JCC Erratum by
backporting the patch series that teach gas not to place various jump
instructions at the end of 32 byte boundries or across such boundaries.
- Prepatory patches:
binutils-2.31-i386-gas-01-add-.nop-assembler-directive.patch
binutils-2.31-i386-gas-02-rewrite-NOP-generation.patch
binutils-2.31-i386-gas-03-insns-exceeding-the-15-byte.patch
binutils-2.31-i386-gas-04-pass-max_bytes-to-TC_FRAG_INIT.patch
- Mitigation Patches:
binutils-2.33-i386-gas-01-add-md_cons_worker.patch
binutils-2.33-i386-gas-02-add-md_generic_table_relax_frag.patch
binutils-2.33-i386-gas-03-align-branches-within-a-fixed-boundary.patch
binutils-2.33-i386-gas-04-add-mbranches-within-32B-boundaries.patch
binutils-2.33-i386-gas-05-add-tests-for-malign-branch-boundary-and-malign.patch
- Reviewed-by: Jose E. Marchesi

Updated Packages

Release/Architecture

Filename

MD5sum

Superseded By Advisory

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