Date: Thu, 8 Mar 2018 23:52:33 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Cyrille Chatras <cyrille.chatras@...nge.com> Subject: CVE-2018-7550 Qemu: i386: multiboot OOB access while loading kernel image Hello, Quick Emulator(QEMU) built with the PC System Emulator with multiboot feature support is vulnerable to an OOB r/w memory access issue. It could occur while loading a kernel image during a guest boot if multiboot head addresses mh_load_end_addr was greater than mh_bss_end_addr. A user/process could use this flaw to potentially achieve arbitrary code execution on a host. Upstream patch: --------------- -> https://lists.nongnu.org/archive/html/qemu-devel/2018-03/msg01885.html This issue was reported by Cyrille Chatras of Orange.com. CVE-2018-7550 assigned via -> https://cveform.mitre.org/ Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
Powered by blists - more mailing lists
Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.