CVE-2014-0148

Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.

• CWE-835

• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
• http://rhn.redhat.com/errata/RHSA-2014-0420.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2014-0421.htmlThird Party Advisory
• http://www.openwall.com/lists/oss-security/2014/03/26/8Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1078212Issue Tracking, Patch, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.htmlMailing List, Patch, Third Party Advisory
• http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
• http://rhn.redhat.com/errata/RHSA-2014-0420.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2014-0421.htmlThird Party Advisory
• http://www.openwall.com/lists/oss-security/2014/03/26/8Mailing List, Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1078212Issue Tracking, Patch, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.htmlMailing List, Patch, Third Party Advisory

Published

Sep 29, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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