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Date: Fri, 6 Sep 2019 18:12:47 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
Subject: CVE-2019-15890 QEMU: Slirp: use-after-free during packet reassembly

   Hello,

A use-after-free issue was found in the SLiRP networking implementation of the 
QEMU emulator. It occurs in ip_reass() routine while reassembling incoming 
packets, if the first fragment is bigger than the m->m_dat[] buffer. A 
user/process could use this flaw to crash the Qemu process on the host 
resulting in DoS.

Upstream patch:
---------------
   -> https://gitlab.freedesktop.org/slirp/libslirp/commit/c59279437eda91841b9d26079c70b8a540d41204

CVE-2019-15890 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

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