Date: Tue, 12 Sep 2017 13:01:15 +0530 (IST) From: P J P <ppandit@...hat.com> To: oss security list <oss-security@...ts.openwall.com> cc: David Buchanan <d@...buchanan.co.uk>, Michael Tokarev <mjt@....msk.ru> Subject: Re: CVE-2017-13673 Qemu: vga: reachable assert failure during during display update +-- On Sun, 10 Sep 2017, Salvatore Bonaccorso wrote --+ | As far as I can see, e.g. cpu_physical_memory_snapshot_get_dirty was only | introduced in v2.10.0-rc0. The upstream commit associated with the above Right. | https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=bfc56535f793c557aa754c50213fc5f882e6482d | | which fixes | | https://git.qemu.org/gitweb.cgi?p=qemu.git;a=commit;h=fec5e8c92becad223df9d972770522f64aafdb72 | | introducing the use of dirty bitmap snapshots in vga_draw_graphic(). | | Do I miss something makeing it affecting as well earlier versions than | 2.10? There were two issues, one reproducer worked with Qemu 2.9.x, other didn't IIRC. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
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