CVE-2020-35506
published 2021-05-28CVE-2020-35506: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the…
PriorityP429medium6.7CVSS 3.1
AVLACLPRHUINSUCHIHAH
EPSS
0.37%
29.2th percentile
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | qemu | < qemu 1:6.0+dfsg-3 (bookworm) | qemu 1:6.0+dfsg-3 (bookworm) |
| msrc | cm1_qemu-kvm_4.2.0-37_on_cbl_mariner_1.0 | — | — |
| qemu | qemu | < 6.0.0 | 6.0.0 |
| qemu | qemu | — | — |
| qemu | qemu | >= 0 < 1:6.0+dfsg-3 | 1:6.0+dfsg-3 |
| qemu | qemu | >= 0 < 1:6.0+dfsg-3 | 1:6.0+dfsg-3 |
| qemu | qemu | >= 0 < 1:6.0+dfsg-3 | 1:6.0+dfsg-3 |
CVSS provenance
nvdv3.16.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv2.04.6MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P
osv6.7MEDIUM
vendor_debian6.7MEDIUM
vendor_msrc6.7MEDIUM
vendor_redhat6.7MEDIUM
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Microsoft
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw
vendor_msrc·2021-05-11·CVSS 6.7
CVE-2020-35506 [MEDIUM] CWE-416 A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host resulting in a denial of service or potential code execution with the privileges of the QEMU process.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this w
Red Hat
QEMU: use after free vulnerability in esp_do_dma() in hw/scsi/esp.c
vendor_redhat·2020-12-22·CVSS 6.7
CVE-2020-35506 [MEDIUM] CWE-416 QEMU: use after free vulnerability in esp_do_dma() in hw/scsi/esp.c
QEMU: use after free vulnerability in esp_do_dma() in hw/scsi/esp.c
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
Statement:
Debian
CVE-2020-35506: qemu - A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter e...
vendor_debian·2020·CVSS 6.7
CVE-2020-35506 [MEDIUM] CVE-2020-35506: qemu - A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter e...
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
Scope: local
bookworm: resolved (fixed in 1:6.0+dfsg-3)
bullseye: open
forky: resolved (fixed in 1:6.0+dfsg-3)
sid: resolved (fixed in 1:6.0+dfsg-3)
trixie: resolved (fixed in 1:6.0+dfsg-3)
GHSA
GHSA-qfjc-pj3q-qmpf: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6
ghsa_unreviewed·2022-05-24
CVE-2020-35506 [MEDIUM] CWE-416 GHSA-qfjc-pj3q-qmpf: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
OSV
CVE-2020-35506: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6
osv·2021-05-28·CVSS 6.7
CVE-2020-35506 [MEDIUM] CVE-2020-35506: A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://www.openwall.com/lists/oss-security/2021/04/16/3https://bugzilla.redhat.com/show_bug.cgi?id=1909996https://security.gentoo.org/glsa/202208-27https://security.netapp.com/advisory/ntap-20210713-0006/https://www.openwall.com/lists/oss-security/2021/04/16/3http://www.openwall.com/lists/oss-security/2021/04/16/3https://bugzilla.redhat.com/show_bug.cgi?id=1909996https://security.gentoo.org/glsa/202208-27https://security.netapp.com/advisory/ntap-20210713-0006/https://www.openwall.com/lists/oss-security/2021/04/16/3
2021-05-28
Published