** Also affects: ubuntu
Importance: Undecided
Status: New
** Tags removed: intel-upkg-18.10
** Tags added: intel-upkg-19.04
** Description changed:
Description:
a corner case with glibc code that causes KNL/KNM system hang.
"
Don't write beyond destination in __mempcpy_avx512_no_vzeroupper (bug 23196)
When compiled as mempcpy, the return value is the end of the destination
buffer, thus it cannot be used to refer to the start of it.
"
Here is the commit for this issue.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commit;h=9b7c6e4176e61c59b0a63c6ba906d875dc0e
- 18.04 and 18.10 need backport this patch into glibc.
+ 18.04 and 19.04 need backport this patch into glibc.
Details:
For details, please refer to:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-11237
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-11237.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23196
Target Package: glibc
Target Release: 18.04.x/18.10
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https://bugs.launchpad.net/bugs/1776124
Title:
[glibc] Don't write beyond destination in
__mempcpy_avx512_no_vzeroupper
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