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CVE-2020-24352

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the...

5.5 MediumFix available

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.41%Down 0.6 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-125, CWE-787
Updated
2026-11-02
CVE List No score

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
CVE-2020-24352
Updated
2026-11-02
EUVDEUVD-2020-17086 No score

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
EUVD-2020-17086
Updated
2026-11-03
GitHub AdvisoriesGHSA-mm2v-p2cv-qgm2 No score

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the...

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
GHSA-mm2v-p2cv-qgm2
Weakness
CWE-119
Updated
2026-11-02
OSVALPINE-CVE-2020-24352 5.5

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
ALPINE-CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVBELL-CVE-2020-24352 5.5

CVE-2020-24352 does not affect BellSoft software

Record
BELL-CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 5 moreShow less
OSV 5.5

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-24352 5.5

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
DEBIAN-CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-24352 5.5

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Record
UBUNTU-CVE-2020-24352
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2020:1664-1 No score

Security update for qemu

This update for qemu fixes the following issues:

  • CVE-2020-14364: Fixed an OOB access while processing USB packets (bsc#1175441,bsc#1176494).
  • CVE-2020-16092: Fixed a denial of service in packet processing of various emulated NICs (bsc#1174641).
  • CVE-2020-15863: Fixed a buffer overflow in the XGMAC device (bsc#1174386).
  • CVE-2020-24352: Fixed an out-of-bounds read/write in ati-vga device emulation in ati_2d_blt (bsc#1175370).
  • Allow to IPL secure guests with -no-reboot (bsc#1174863)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Record
openSUSE-SU-2020:1664-1
Updated
2026-11-02
OSVSUSE-SU-2020:2877-1 No score

Security update for qemu

This update for qemu fixes the following issues:

  • CVE-2020-14364: Fixed an OOB access while processing USB packets (bsc#1175441,bsc#1176494).
  • CVE-2020-16092: Fixed a denial of service in packet processing of various emulated NICs (bsc#1174641).
  • CVE-2020-15863: Fixed a buffer overflow in the XGMAC device (bsc#1174386).
  • CVE-2020-24352: Fixed an out-of-bounds read/write in ati-vga device emulation in ati_2d_blt (bsc#1175370).
  • Allow to IPL secure guests with -no-reboot (bsc#1174863)
Record
SUSE-SU-2020:2877-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qemu
Alpine:v3.16
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.17
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.18
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.19
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.20
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.21
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.22
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.23
 before 5.2.0-r0
5.2.0-r0
qemu
Alpine:v3.24
 before 5.2.0-r0
5.2.0-r0
qemu
Debian:12
 before 1:5.2+dfsg-1
1:5.2+dfsg-1
Show 9 moreShow less
Affected packages
PackageAffectedFixed
qemu
Debian:13
 before 1:5.2+dfsg-1
1:5.2+dfsg-1
qemu
Debian:14
 before 1:5.2+dfsg-1
1:5.2+dfsg-1
qemu
SUSE:Linux Enterprise Module for Basesystem 15 SP2
From an advisory covering 4 CVEs
 before 4.2.1-11.10.1
4.2.1-11.10.1
qemu
SUSE:Linux Enterprise Module for Server Applications 15 SP2
From an advisory covering 4 CVEs
 before 4.2.1-11.10.1
4.2.1-11.10.1
qemu
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1:4.0+dfsg-0ubuntu91:4.0+dfsg-0ubuntu101:4.2-1ubuntu11:4.2-1ubuntu21:4.2-3ubuntu1
Show 35 moreShow less
1:4.2-3ubuntu21:4.2-3ubuntu31:4.2-3ubuntu41:4.2-3ubuntu51:4.2-3ubuntu61:4.2-3ubuntu6.11:4.2-3ubuntu6.21:4.2-3ubuntu6.31:4.2-3ubuntu6.41:4.2-3ubuntu6.51:4.2-3ubuntu6.61:4.2-3ubuntu6.71:4.2-3ubuntu6.81:4.2-3ubuntu6.91:4.2-3ubuntu6.101:4.2-3ubuntu6.111:4.2-3ubuntu6.121:4.2-3ubuntu6.141:4.2-3ubuntu6.151:4.2-3ubuntu6.161:4.2-3ubuntu6.171:4.2-3ubuntu6.181:4.2-3ubuntu6.191:4.2-3ubuntu6.211:4.2-3ubuntu6.231:4.2-3ubuntu6.241:4.2-3ubuntu6.251:4.2-3ubuntu6.261:4.2-3ubuntu6.271:4.2-3ubuntu6.281:4.2-3ubuntu6.291:4.2-3ubuntu6.301:4.2-3ubuntu6.30+esm11:4.2-3ubuntu6.30+esm21:4.2-3ubuntu6.30+esm3
 None known
qemu
Ubuntu:25.10
 All versions, plus listed versions
1:9.2.1+ds-1ubuntu51:10.0.2+ds-1ubuntu11:10.0.2+ds-1ubuntu21:10.1.0+ds-1ubuntu11:10.1.0+ds-5ubuntu1
Show 7 moreShow less
1:10.1.0+ds-5ubuntu21:10.1.0+ds-5ubuntu2.11:10.1.0+ds-5ubuntu2.21:10.1.0+ds-5ubuntu2.41:10.1.0+ds-5ubuntu2.51:10.1.0+ds-5ubuntu2.61:10.1.0+ds-5ubuntu2.7
 None known
qemu
openSUSE:Leap 15.2
From an advisory covering 4 CVEs
 before 4.2.1-lp152.9.6.1
4.2.1-lp152.9.6.1
qemu-linux-user
openSUSE:Leap 15.2
From an advisory covering 4 CVEs
 before 4.2.1-lp152.9.6.1
4.2.1-lp152.9.6.1
qemu-testsuite
openSUSE:Leap 15.2
From an advisory covering 4 CVEs
 before 4.2.1-lp152.9.6.1
4.2.1-lp152.9.6.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-24352 is a medium vulnerability (CVSS 5.5) in Qemu, published October 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 36th percentile. Fixed in qemu 5.2.0-r0.

References

Show 19 moreShow less
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