The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
---|---|
https://usn.ubuntu.com/3826-1/ | third party advisory vendor advisory |
http://www.openwall.com/lists/oss-security/2018/11/06/6 | mailing list third party advisory patch |
http://www.securityfocus.com/bid/105920 | vdb entry third party advisory |
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html | mailing list third party advisory patch |
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html | mailing list third party advisory vendor advisory |
https://www.debian.org/security/2019/dsa-4454 | vendor advisory |
https://seclists.org/bugtraq/2019/May/76 | mailing list |