CVE-2020-11947

low
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.

References

http://www.openwall.com/lists/oss-security/2021/01/13/4

https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5

https://security.netapp.com/advisory/ntap-20210212-0001/

Details

Source: MITRE

Published: 2020-12-31

Updated: 2021-02-18

Type: CWE-125

Risk Information

CVSS v2

Base Score: 2.1

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 3.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Impact Score: 1.4

Exploitability Score: 2

Severity: LOW

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
155325Oracle Linux 8 : virt:ol / and / virt-devel:rhel (ELSA-2021-1762)NessusOracle Linux Local Security Checks
medium
152199SUSE SLES11 Security Update : kvm (SUSE-SU-2021:14772-1)NessusSuSE Local Security Checks
medium
150965Amazon Linux 2 : qemu (ALAS-2021-1671)NessusAmazon Linux Local Security Checks
medium
149772CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2021:1762)NessusCentOS Local Security Checks
medium
149669RHEL 8 : virt:rhel and virt-devel:rhel (RHSA-2021:1762)NessusRed Hat Local Security Checks
medium
148966SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1305-1)NessusSuSE Local Security Checks
high
148761SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1241-1)NessusSuSE Local Security Checks
high
148758SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1240-1)NessusSuSE Local Security Checks
high
148757SUSE SLES15 Security Update : qemu (SUSE-SU-2021:1244-1)NessusSuSE Local Security Checks
high
148752SUSE SLES15 Security Update : qemu (SUSE-SU-2021:1245-1)NessusSuSE Local Security Checks
high
148751SUSE SLES12 Security Update : qemu (SUSE-SU-2021:1242-1)NessusSuSE Local Security Checks
high
148545Oracle Linux 7 : qemu (ELSA-2021-9109)NessusOracle Linux Local Security Checks
high
148544Oracle Linux 7 : qemu (ELSA-2021-9104)NessusOracle Linux Local Security Checks
high
146938openSUSE Security Update : qemu (openSUSE-2021-363)NessusSuSE Local Security Checks
high
146793RHEL 8 : virt:8.2 and virt-devel:8.2 (RHSA-2021:0648)NessusRed Hat Local Security Checks
low
146643SUSE SLED15 / SLES15 Security Update : qemu (SUSE-SU-2021:0521-1)NessusSuSE Local Security Checks
high
146303Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : QEMU vulnerabilities (USN-4725-1)NessusUbuntu Local Security Checks
high