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Message-ID: <59c7287f196e4a4987d4987463be8a31@imshyb02.MITRE.ORG> Date: Sun, 30 Oct 2016 15:44:13 -0400 From: <cve-assign@...re.org> To: <ppandit@...hat.com> CC: <cve-assign@...re.org>, <oss-security@...ts.openwall.com>, <liqiang6-s@....cn> Subject: Re: CVE request Qemu: memory leakage in v9fs_link -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 > Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9 > File System(9pfs) support, is vulnerable to a memory leakage issue. It could > occur when calling v9fs_link call. > > A privileged user inside guest could use this flaw to leak the host memory > bytes resulting in DoS for other services. > > https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg02608.html > http://git.qemu.org/?p=qemu.git;a=commit;h=4c1586787ff43c9acd18a56c12d720e3e6be9f7c >> it doesn't put the 'oldfidp' >> fid object, this will make the 'oldfidp->ref' never reach to 0 Use CVE-2016-9105. - -- CVE Assignment Team M/S M300, 202 Burlington Road, Bedford, MA 01730 USA [ A PGP key is available for encrypted communications at http://cve.mitre.org/cve/request_id.html ] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJYFkuHAAoJEHb/MwWLVhi2DMAQAIO5vFhKXH1jUOmYSL9U28Ll 7zekNnjjaInS3IUqygdo9awZVAHmPS93yW3oJJ0jkwYU/TDUtEqDVjLrlylvCfww OCJFxc6N8bkgRl8XHmSnON0jehx9Gsm7JbM8u6yYYpmEKR6CEawFzO8nT2wBt0SD zgxurZJ8R7WCIcrhBtVBFECI7HGMnyS3XXx/p4Brd4Tv+oFCFHKaV4a9jZY8fmIq 2Vw9bxLRLNnGLY61GRJNOEk1z836jeeH/S2Ey4vPMDzwRiHd0izXykscMHdVFb/9 vQ+gzOt2VATieZJxRV7JywxLkDf9ZWqRNeIonW4LfZl+acO/lrTWPZZXmIz/JUSy U6/63ksgKrOMcPlRCStX+GmB5fXQ4BZnTQRW5q2pkYtsoL11KsszoQmSDs/9ou0/ Xm6Duj0UfJGqrUcei8IS01nXSPk+sfnLSyfELe/QxTbd7wHoogjj0L5sdfaTDdDk JL/STIuVvsJSehH7LwmBC1//xhTUhWf2h+W2W5I43pvgBGvArBtipY0Pr6Gi/k2Q Uuqc1ZgFtyM70umJRTblBzuiEPAWtExZoTPWfQXmTYHHRqWl+kKZ7no3oMNrDOYl FbQVdWhUw0lfdyfICJ7U1lW4AiCpNjCs0w2KMT2MEz0OrPpCMQkJaf9swdWdH/Q7 8ygJtNKg5QpmODGyq2Pv =4oL2 -----END PGP SIGNATURE-----
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