oss-sec mailing list archives
Re: CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash
From: cve-assign () mitre org
Date: Mon, 4 Jan 2016 11:59:33 -0500 (EST)
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Qemu emulator built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers(IMR). A privileged(CAP_SYS_RAWIO) guest user could use this flaw to crash the Qemu process instance resulting in DoS. http://git.qemu.org/?p=qemu.git;a=commit;h=c6048f849c7e3f009786df76206e895a69de032c https://bugzilla.redhat.com/show_bug.cgi?id=1270876
Instead of asserting, return the actual IMR register value.
Use CVE-2015-8745. - -- CVE assignment team, MITRE CVE Numbering Authority M/S M300 202 Burlington Road, Bedford, MA 01730 USA [ PGP key available through http://cve.mitre.org/cve/request_id.html ] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJWiqQVAAoJEL54rhJi8gl52usP/R53hBnStbF9uMh/QOzBjtvc o2jmKr2Az1WXYAeTs08Mui/6bC+c8VW7OSBbnOgfy/vn7D6ddXC6qEAgq0+ngJ/8 FZfxYPFXIfJdTKGed7nsG5YhI7ckEEnxIWxsmW7EmQDXj3UInpvEBfNOR7ogM0WT 1bW5lMhJz90HxKtWqGc3Fcmpk5+tEWZXgWJfTxD7QejFG5g9HKBCWqYj3muQ6/af HRoJOoonmsFbk6ZmOboIDcIQQU4WiCmaNcKNNy3fyIvlQjABfYLTgwzIH+eeMpN1 FpXwG7ogVczqyes2cVzVS36l7U1EXRd5vUtUi7GDOKRjuuSxckjx2YUea//Ejml0 CTF+7WNGA1kwlywsQJeXOELhhSPvs+Wb9TIdkoZWrG/Sa719G+vcFey+bKC3VXTw zAG0rHRDOktRKw5x8tAV+mtzcKrMWd3iUH43cvQtYpU9TOPEtytT2ckU2p/zkAEp Xp9iARSzMeQbHSwAw+2qC6ElAouVItealoH6JpJte5idOTzZkrZOmRP+umpYRJli dh2vTqMkHCR6AZlrgEjrBzUSNDYRAbVl7oSGgnXjwg+pip7umbWsY7gNAYgJbhpV ULxqgi1wGLWp/nsfKhWhtLYuv15Uah06G/mJUyoHjqKWJEcaImR9JNu8Q+eqiTOL haSycTu8WkHEUkHol1QT =8aFM -----END PGP SIGNATURE-----
Current thread:
- CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash P J P (Jan 04)
- Re: CVE request Qemu: net: vmxnet3: reading IMR registers leads to a crash cve-assign (Jan 04)