Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.
CVSS Details
- CVSS 3.0 Base Score: 7
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade qemu-guest-agentUpgrade qemu-imgUpgrade qemu-kvm-toolsUpgrade qemu-kvm | Aug 17, 2018 | Apr 22, 2014 |
| Debian | — | Upgrade qemu-kvmUpgrade qemu | Jul 30, 2024 | Aug 10, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/qemu. | Oct 30, 2017 | Aug 10, 2017 |
| Oracle_linux | — | Upgrade qemu-imgUpgrade qemu-guest-agentUpgrade qemu-kvmUpgrade qemu-kvm-tools | Oct 16, 2024 | Aug 10, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 10, 2017 |
| Suse | — | Upgrade qemu-block-rbdUpgrade qemu-block-curlUpgrade qemu-langUpgrade qemu-ppcUpgrade qemu-guest-agentUpgrade qemu-ipxeUpgrade qemu-block-sshUpgrade qemu-block-iscsiUpgrade qemuUpgrade qemu-kvmUpgrade qemu-toolsUpgrade qemu-sgabiosUpgrade qemu-seabiosUpgrade qemu-s390Upgrade qemu-ksmUpgrade qemu-vgabiosUpgrade qemu-x86Upgrade qemu-armUpgrade kvm | Dec 18, 2015 | May 8, 2014 |
| Ubuntu | — | Upgrade qemu-systemUpgrade qemu-system-sparcUpgrade qemu-system-aarch64Upgrade qemu-system-ppcUpgrade qemu-system-mipsUpgrade qemu-system-miscUpgrade qemu-system-armUpgrade qemu-kvmUpgrade qemu-system-x86 | Nov 8, 2024 | Aug 10, 2017 |
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