CVE-2020-25742
LOW
3.2
CVSS Score
Published: October 6, 2020 at 02:18 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorQEMU
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Severity
LOW3.2
Exploit prediction
EPSS 0.5%
Description
pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Mailing Listx_refsource_MLISTx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/09/29/1x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1883178x_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05294.htmlx_refsource_MISCThird Party Advisory
Source: [email protected]
https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Flsi_nullptr1CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-476
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