oss-sec mailing list archives
Re: CVE Request -- Linux kernel: vhost-net: use-after-free in vhost_net_flush
From: Kurt Seifried <kseifried () redhat com>
Date: Mon, 15 Jul 2013 13:58:05 -0600
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 07/15/2013 01:53 PM, Petr Matousek wrote:
vhost_net_ubuf_put_and_wait has a confusing name: it will actually also free it's argument. vhost_net_flush tries to use the argument after passing it to vhost_net_ubuf_put_and_wait, this results in use after free. Upstream fix: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd7633ecd553a5e304d349aa6f8eb8a0417098c5 Introduced by: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1280c27f8e29acf4af2da914e80ec27c3dbd5c01 Introduced in upstream version: v3.8-rc1 References: https://bugzilla.redhat.com/show_bug.cgi?id=984722 https://bugzilla.redhat.com/show_bug.cgi?id=980643 http://pkgs.fedoraproject.org/cgit/kernel.git/commit/?h=f19&id=da4ebd83da1869778909f394f6ebd50850ef5fec
Please use CVE-2013-4127 for this issue. - -- Kurt Seifried Red Hat Security Response Team (SRT) PGP: 0x5E267993 A90B F995 7350 148F 66BF 7554 160D 4553 5E26 7993 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (GNU/Linux) iQIcBAEBAgAGBQJR5FRNAAoJEBYNRVNeJnmThewP/2d4PF5GgBP5gIHnxCjoArxb pW8HxgC+FJT2J+eUcAbXrUysT/W5gBLNdAWPxt89dFoWH7Tn+QsGMD0cndP5qiZQ 8j51xEnSE7G3aHQjiNw+KeJm8mzdvuhdDFhetG3ugZWRUQJe1FXOZ8fry4GrMTes EVXXVyzYfVSi0JYI0/tnVmNea94yL7OTl3Tujo4QCDTIsDQN1hoINCIXPT6VXLlL Ro8UdGYk9VYD6RbThWSGukce1QHaq9qjmdcwqH6WNb7AdGQOudAYDbPLnQQJybHs Fjczmy2IGTuYUxPYQshvEwZkwaRE/FMHHYwUiRwk5qvxJQ2cgAAHAkcVZZGRAjjr ILvkKAdV8lC242mkmcXB3W+19BypqlSxrU9gx+2Rzhn9tY5esArLjN7qmtW6DQvw i9XU4OikIrOzuAsJ60igOKiYowaBmfdSshRo6q5q9LeBwAF9XIyvRQN68aJn+G4X 6L3GBsw2qba6kTo73jMcsVRcwK57m6VeRvntFNsUaoJCBwtrHIWGEHVURgXo+2Kb tor5KE392Z62nEO9um3HQZ4VP3vvV6uGI5QCnQjlivEmd5tAKFxNWYxjZ0HpOYrU 3Jvjsf6wk85MohOmZZYsnfIwUAqLBuMq29R2p3V0J5OVjUIol7Vy6GqUIDBLP0Gm XGZfDz++5VZzT7RRaGI4 =k0v2 -----END PGP SIGNATURE-----
Current thread:
- CVE Request -- Linux kernel: vhost-net: use-after-free in vhost_net_flush Petr Matousek (Jul 15)
- Re: CVE Request -- Linux kernel: vhost-net: use-after-free in vhost_net_flush Kurt Seifried (Jul 15)