Date: Tue, 28 Nov 2017 23:32:37 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: Eric Blake <eblake@...hat.com> Subject: CVE-2017-15119 Qemu: DoS via large option request Hello, Quick Emulator(Qemu) built with the Network Block Device(NBD) server support is vulnerable to a denial-of-service issue. It could occur if a client sent large option requests, making server waste CPU time on reading up to 4G bytes. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1516925 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.