CVE-2019-18806

MEDIUM
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

A memory leak in the ql_alloc_large_buffers() function in drivers/net/ethernet/qlogic/qla3xxx.c in the Linux kernel before 5.3.5 allows local users to cause a denial of service (memory consumption) by triggering pci_dma_mapping_error() failures, aka CID-1acb8f2a7a9f.

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1acb8f2a7a9f10543868ddd737e37424d5c36cf4

Details

Source: MITRE

Published: 2019-11-07

Updated: 2020-08-24

Type: CWE-401

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Tenable Plugins

View all (11 total)

IDNameProductFamilySeverity
137128OracleVM 3.4 : Unbreakable / etc (OVMSA-2020-0019)NessusOracleVM Local Security Checks
high
135614EulerOS Virtualization 3.0.2.2 : kernel (EulerOS-SA-2020-1452)NessusHuawei Local Security Checks
high
135574Oracle Linux 7 : Unbreakable Enterprise kernel (ELSA-2020-5649)NessusOracle Linux Local Security Checks
medium
135525EulerOS 2.0 SP3 : kernel (EulerOS-SA-2020-1396)NessusHuawei Local Security Checks
critical
135433Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2020-5645)NessusOracle Linux Local Security Checks
medium
135432Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5644)NessusOracle Linux Local Security Checks
medium
135381Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5642)NessusOracle Linux Local Security Checks
medium
134486EulerOS Virtualization for ARM 64 3.0.2.0 : kernel (EulerOS-SA-2020-1197)NessusHuawei Local Security Checks
critical
132796EulerOS Virtualization for ARM 64 3.0.5.0 : kernel (EulerOS-SA-2020-1042)NessusHuawei Local Security Checks
critical
131805EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-2531)NessusHuawei Local Security Checks
high
131349EulerOS 2.0 SP8 : kernel (EulerOS-SA-2019-2283)NessusHuawei Local Security Checks
high