** 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=9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e - 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776124 Title: [glibc] Don't write beyond destination in __mempcpy_avx512_no_vzeroupper To manage notifications about this bug go to: https://bugs.launchpad.net/intel/+bug/1776124/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs