Out-of-bounds read in Linux kernel - CVE-2019-15090

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Main Vulnerability Database Vulnerabilities #VU20812

Out-of-bounds read in Linux kernel - CVE-2019-15090

Published: September 3, 2019


Vulnerability identifier: #VU20812
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-15090
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists in the QLogic QEDI iSCSI Initiator Driver due to a boundary condition in "drivers/scsi/qedi/qedi_dbg.c". A local authenticated user can trigger out-of-bounds read error and read contents of memory on the system.


Affected software

Linux kernel
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for Real Time
Ubuntu
linux-kvm (Ubuntu package)
linux-hwe (Ubuntu package)
linux-gcp (Ubuntu package)
linux-azure (Ubuntu package)
linux (Ubuntu package)
linux-raspi2 (Ubuntu package)
linux-oracle (Ubuntu package)
linux-gke-4.15 (Ubuntu package)
linux-aws (Ubuntu package)
linux-snapdragon (Ubuntu package)
linux-gke-5.0 (Ubuntu package)
kernel (Red Hat package)
kernel-rt (Red Hat package)

How to mitigate CVE-2019-15090

Install updates from vendor's website.

Linux kernel - update to 5.1.12
linux-kvm (Ubuntu package) - addressed in versions 4.15.0-1043.43, 5.0.0-1019.20
linux-hwe (Ubuntu package) - addressed in versions 4.15.0-60.67~16.04.1, 5.0.0-31.33~18.04.1
linux-gcp (Ubuntu package) - addressed in versions 4.15.0-1041.43, 5.0.0-1020.20
linux-azure (Ubuntu package) - addressed in versions 4.15.0-1056.61, 5.0.0-1022.23
linux (Ubuntu package) - addressed in versions 4.15.0-60.67, 5.0.0-31.33
linux-raspi2 (Ubuntu package) - addressed in versions 4.15.0-1044.47, 5.0.0-1019.19
linux-oracle (Ubuntu package) - addressed in versions 4.15.0-1022.25~16.04.1, 4.15.0-1022.25
linux-gke-4.15 (Ubuntu package) - update to 4.15.0-1041.43
linux-aws (Ubuntu package) - update to 5.0.0-1018.20
linux-snapdragon (Ubuntu package) - update to 5.0.0-1023.24
linux-gke-5.0 (Ubuntu package) - update to 5.0.0-1020.20~18.04.1
kernel (Red Hat package) - update to 4.18.0-193.el8
kernel-rt (Red Hat package) - update to 4.18.0-193.rt13.51.el8

External References

Related Security Bulletins