CVE-2020-15469 — NULL Pointer Dereference in Qemu

CWE-476 — NULL Pointer Dereference11 documents8 sources
Severity
2.3LOWNVD
EPSS
0.0%
top 87.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
QemuDebian QemuDebian Linux+3 more
Timeline
PublishedJul 2
Latest updateMay 24

Description

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:LExploitability: 0.8 | Impact: 1.4

Affected Packages7 packages

▶debiandebian/qemu< qemu 1:6.0+dfsg-3 (bookworm)
▶Debianqemu/qemu< 1:6.0+dfsg-3+2
▶Ubuntuqemu/qemu< 1:2.11+dfsg-1ubuntu7.37+1
▶NVDqemu/qemu5.0.1

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: www.openwall.com ↗Patch: lists.gnu.org ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-35fj-h53g-7cqv: In QEMU 4↗2022-05-24
▶
OSV
qemu vulnerabilities↗2021-07-15
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OSV
CVE-2020-15469: In QEMU 4↗2020-07-02
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📋Vendor Advisories

4
Ubuntu
QEMU vulnerabilities↗2021-07-15
▶
Microsoft
In QEMU 4.2.0 a MemoryRegionOps object may lack read/write callback methods leading to a NULL pointer dereference.↗2020-07-14
▶
Red Hat
QEMU: MMIO ops null pointer dereference may lead to DoS↗2020-06-17
▶
Debian
CVE-2020-15469: qemu - In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, le...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-15469 qemu: MMIO ops null pointer dereference may lead to DoS [fedora-all]↗2020-07-02
▶
Bugzilla
CVE-2020-15469 QEMU: MMIO ops null pointer dereference may lead to DoS↗2020-07-02
▶
Bugzilla
CVE-2020-15469 xen: QEMU: MMIO ops null pointer dereference may lead to DoS [fedora-all]↗2020-07-02
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