Home/CVE/address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
CVE

CVE-2020-13659

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

LOW · CVSS 2.5 EPSS 0.00037
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

4
qemuall versions
debian linuxall versions
opensuse leapall versions
canonical ubuntu linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

2.5
LOW · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Jun 2020 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
⚑

Vendor Advisories

12
suse-csafopenSUSE-SU-2024:11287-1
suse-csafSUSE-SU-2021:1305-1
suse-csafSUSE-SU-2021:1240-1
suse-csafSUSE-SU-2021:1241-1
suse-csafSUSE-SU-2021:1242-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.htmlBroken LinkMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/01/3Mailing ListPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07313.htmlMailing ListPatchThird Party Advisory
https://security.gentoo.org/glsa/202011-09Third Party Advisory
https://security.netapp.com/advisory/ntap-20200608-0007/Third Party Advisory
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