#VU30791 Out-of-bounds read in Linux kernel - CVE-2019-15925

Vulnerability identifier: #VU30791

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-15925

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 authenticated user to execute arbitrary code.

An issue was discovered in the Linux kernel before 5.2.3. An out of bounds access exists in the function hclge_tm_schd_mode_vnet_base_cfg in the file drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 5.2.1 - 5.2.2

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External links
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04f25edb48c441fc278ecc154c270f16966cbb90
https://security.netapp.com/advisory/ntap-20191004-0001/
https://usn.ubuntu.com/4147-1/

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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.