CVE-2014-0146
CVE-2014-0146 is a medium-severity vulnerability in Qemu with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 1.9
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-476
- Affected product: Qemu
- Published:
- Last modified:
Description
The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
Frequently asked questions
- What is CVE-2014-0146?
- The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.
- How severe is CVE-2014-0146?
- CVE-2014-0146 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2014-0146 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-0146?
- CVE-2014-0146 primarily affects Qemu. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-0146?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2014-0146 published?
- CVE-2014-0146 was published on 2017-08-10 and last updated on 2026-06-17.
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=11b128f4062dd7f89b14abc8877ff20d41b28be9
- http://rhn.redhat.com/errata/RHSA-2014-0420.html
- http://rhn.redhat.com/errata/RHSA-2014-0421.html
- http://www.debian.org/security/2014/dsa-3044
- http://www.openwall.com/lists/oss-security/2014/03/26/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1078232
Affected products (5)
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.0.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.0.0:rc3:*:*:*:*:*:*
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Other CWE-476 (NULL Pointer Dereference) vulnerabilities
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Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →