Bug#917526: libxsmm: CVE-2018-20541 CVE-2018-20542

[Salvatore Bonaccorso]

Source: libxsmm
Version: 1.9-1
Severity: important
Tags: patch security upstream
Forwarded: https://github.com/hfp/libxsmm/issues/287

Hi,

The following vulnerabilities were published for libxsmm.

CVE-2018-20541[0]:
| There is a heap-based buffer overflow in libxsmm_sparse_csc_reader at
| generator_spgemm_csc_reader.c in LIBXSMM 1.10, a different
| vulnerability than CVE-2018-20542 (which is in a different part of the
| source code and is seen at different addresses).

CVE-2018-20542[1]:
| There is a heap-based buffer-overflow at generator_spgemm_csc_reader.c
| (function libxsmm_sparse_csc_reader) in LIBXSMM 1.10, a different
| vulnerability than CVE-2018-20541 (which is in a different part of the
| source code and is seen at a different address).

If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2018-20541
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20541
[1] https://security-tracker.debian.org/tracker/CVE-2018-20542
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20542
[2] https://github.com/hfp/libxsmm/issues/287

Regards,
Salvatore