Description
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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-3044-1 | qemu-kvm security update |
Debian DSA |
DSA-3045-1 | qemu security update |
EUVD |
EUVD-2014-0202 | 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. |
Ubuntu USN |
USN-2342-1 | QEMU vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-06T09:05:38.959Z
Reserved: 2013-12-03T00:00:00.000Z
Link: CVE-2014-0143
No data.
Status : Modified
Published: 2017-08-10T15:29:00.223
Modified: 2026-05-13T00:24:29.033
Link: CVE-2014-0143
OpenCVE Enrichment
No data.
Weaknesses
Debian DSA
EUVD
Ubuntu USN