http://bugzilla.opensuse.org/show_bug.cgi?id=1022541 Bug ID: 1022541 Summary: VUL-0: kvm: qemu: sd: sdhci OOB access during multi block SDMA transfer Classification: openSUSE Product: openSUSE Distribution Version: Leap 42.2 Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: security-team@suse.de Reporter: mikhail.kasimov@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- Ref: http://seclists.org/oss-sec/2017/q1/231 ============================================= Hello, Quick emulator(Qemu) built with the SDHCI device emulation support is vulnerable to an OOB heap access issue. It could occur while doing a multi block SDMA transfer via 'sdhci_sdma_transfer_multi_blocks' routine. A privileged user inside guest could use this flaw to crash the Qemu process resulting in DoS or potentially execute arbitrary code with privileges of the Qemu process on the host. Upstream patch: --------------- -> https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06191.html Reference: ---------- -> https://bugzilla.redhat.com/show_bug.cgi?id=1417559 This issue was reported by Jiang Xin of Huawei PSIR team. Thank you. -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F ============================================= -- You are receiving this mail because: You are on the CC list for the bug.