#VU20812 Out-of-bounds read in Linux kernel - CVE-2019-15090

Vulnerability identifier: #VU20812

Vulnerability risk: Low

CVSSv4.0: 4.3 [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/E:U/U:Clear]

CVE-ID: CVE-2019-15090

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

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

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

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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.