Out-of-bounds read in Linux kernel

1) Out-of-bounds read

EUVDB-ID: #VU20812

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-15090

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Linux kernel: 5.1 - 5.1.11

External links

http://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.12
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c09581a52765a85f19fc35340127396d5e3379cc
http://github.com/torvalds/linux/commit/c09581a52765a85f19fc35340127396d5e3379cc
http://usn.ubuntu.com/4115-1/
http://usn.ubuntu.com/4118-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.