CVE-2020-25743

CWE-476 — NULL Pointer Dereference12 documents8 sources
Severity
3.2LOW
EPSS
0.0%
top 86.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Qemu QemuRedhat Enterprise LinuxRedhat Openstack Platform
Timeline
PublishedOct 6
Latest updateMay 24

Description

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:LExploitability: 1.5 | Impact: 1.4

Affected Packages2 packages

▶NVDqemu/qemu< 5.1.1

Also affects: Enterprise Linux 7.0, 8.0

Patches

Patch: www.openwall.com ↗Patch: bugzilla.redhat.com ↗Patch: lists.nongnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-qgc2-rv3v-hg6j: hw/ide/pci↗2022-05-24
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CVEList
CVE-2020-25743: hw/ide/pci↗2020-10-06
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OSV
CVE-2020-25743: hw/ide/pci↗2020-10-06
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📋Vendor Advisories

3
Microsoft
hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.↗2020-10-13
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Red Hat
QEMU: ide: null pointer dereference while cancelling i/o operation↗2020-06-24
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Debian
CVE-2020-25743: qemu - hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because...↗2020
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💬Community

5
Bugzilla
CVE-2020-25743 qemu: ide: null pointer dereference while cancelling i/o operation [fedora-all]↗2020-09-29
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Bugzilla
CVE-2020-25743 xen: QEMU: ide: null pointer dereference while cancelling i/o operation [fedora-all]↗2020-09-29
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Bugzilla
CVE-2020-25743 QEMU: ide: null pointer dereference while cancelling i/o operation↗2020-09-22
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Bugzilla
CVE-2020-25743 qemu: ide: null pointer dereference while cancelling i/o operation [fedora-all]↗2020-09-22
▶
Bugzilla
CVE-2020-25743 xen: QEMU: ide: null pointer dereference while cancelling i/o operation [fedora-all]↗2020-09-22
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CVE-2020-25743 (LOW CVSS 3.2) | hw/ide/pci.c in QEMU before 5.1.1 c | cvebase.io