SB2019100736 - Fedora 31 update for kernel, kernel-headers, kernel-tools

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Main Vulnerability Database SB2019100736

SB2019100736 - Fedora 31 update for kernel, kernel-headers, kernel-tools

Published: October 7, 2019 Updated: April 25, 2025

Security Bulletin ID SB2019100736
Severity
Low
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17052)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the ax25_create() function in net/ax25/af_ax25.c in the AF_AX25 network module for the Linux kernel does not enforce CAP_NET_RAW when creating raw sockets. A local unprivileged user can create raw sockets on the system.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17053)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the ieee802154_create() function in net/ieee802154/socket.c in the AF_IEEE802154 network module for the Linux kernel does not enforce CAP_NET_RAW when creating raw sockets. A local unprivileged user can create raw sockets on the system.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17054)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the atalk_create() function in net/appletalk/ddp.c in the AF_APPLETALK network module for the Linux kernel does not enforce CAP_NET_RAW when creating raw sockets. A local unprivileged user can create raw sockets on the system.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17055)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the base_sock_create in drivers/isdn/mISDN/socket.c in the AF_ISDN network module for the Linux kernel does not enforce CAP_NET_RAW. A local unprivileged user can create a raw socket.


5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-17056)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the llcp_sock_create() function in net/nfc/llcp_sock.c in the AF_NFC network module for the Linux kernel does not enforce CAP_NET_RAW. A local unprivileged user can create a raw socket.


Remediation

Install update from vendor's website.

References