CVE-2020-25741 — NULL Pointer Dereference in Qemu

CWE-476 — NULL Pointer Dereference8 documents6 sources
Severity
3.2LOWNVD
EPSS
0.2%
top 63.26%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
QemuDebian Qemu
Timeline
PublishedOct 2
Latest updateMay 24

Description

fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive.

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/qemu5.0.0
▶debiandebian/qemu

Patches

Patch: lists.nongnu.org ↗Patch: lists.nongnu.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-gj53-3vwp-f632: fdctrl_write_data in hw/block/fdc↗2022-05-24
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OSV
CVE-2020-25741: fdctrl_write_data in hw/block/fdc↗2020-10-02
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📋Vendor Advisories

2
Red Hat
QEMU: fdc: null pointer dereference during r/w data transfer↗2020-06-24
▶
Debian
CVE-2020-25741: qemu - fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-25741 xen: QEMU: fdc: null pointer dereference during r/w data transfer [fedora-all]↗2020-09-22
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Bugzilla
CVE-2020-25741 qemu: fdc: null pointer dereference during r/w data transfer [fedora-all]↗2020-09-22
▶
Bugzilla
CVE-2020-25741 QEMU: fdc: null pointer dereference during r/w data transfer↗2020-09-22
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