PT-2018-10442 · Linux · Linux Kernel

Published 2018-09-18 · Updated 2018-11-09 · CVE-2018-11273

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue arises from the allocation of 'voice svc dev' as a device-managed resource in the Linux kernel used by Android releases. When the error 'cdev alloc err' occurs, 'device destroy' will free all associated resources, including 'voice svc dev', resulting in a double free.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2018-11273

Affected Products

Linux Kernel

References · 5

• https://source.codeaurora.org/quic/la/kernel/msm-3.18/commit/?id=789d4d21c3f1818dcbf74da4a051598e8f53676c · Patch
• https://source.android.com/security/bulletin/pixel/2018-09-01#qualcomm-components · Vendor Advisory
• https://codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin · Patch
• https://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=f34f6271362484c1f87f4176e72a3bfb80ee7711 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2018-11273 · Security Note