Permissions, Privileges, and Access Controls in Linux kernel - CVE-2019-17053

Vulnerability identifier: #VU22742

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-17053

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

Linux kernel
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Slackware Linux
Fedora
kernel (Red Hat package)
kernel-rt (Red Hat package)
linux-4.4.199/kernel-generic
linux-4.4.199/kernel-huge
linux-4.4.199/kernel-modules
linux-4.4.199/kernel-headers
kernel-tools
kernel-headers
kernel

Install updates from vendor's website.

Linux kernel - update to 5.3.3
kernel (Red Hat package) - addressed in versions 3.10.0-1160.el7, 4.18.0-193.el8
kernel-rt (Red Hat package) - addressed in versions 3.10.0-1160.rt56.1131.el7, 4.18.0-193.rt13.51.el8
linux-4.4.199/kernel-generic - update to 4.4.199
linux-4.4.199/kernel-huge - update to 4.4.199
linux-4.4.199/kernel-modules - update to 4.4.199
linux-4.4.199/kernel-headers - update to 4.4.199_smp
kernel-tools - addressed in versions 5.2.20-100.fc29, 5.3.4-300.fc31, 5.3.6-100.fc29
kernel-headers - addressed in versions 5.2.20-100.fc29, 5.3.4-300.fc31, 5.3.6-100.fc29
kernel - addressed in versions 5.2.20-100.fc29, 5.3.4-300.fc31, 5.3.6-100.fc29

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0edc3f703f7bcaf550774b5d43ab727bcd0fe06b
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e69dbd4619e7674c1679cba49afd9dd9ac347eef

• Permissions, Privileges, and Access Controls in Linux kernel
• Red Hat Enterprise Linux 8 update for kernel-rt
• Red Hat Enterprise Linux 8 update for kernel
• Slackware Linux update for kernel
• Red Hat Enterprise Linux 7 update for kernel-rt
• Red Hat Enterprise Linux 7 update for kernel
• Fedora 31 update for kernel, kernel-headers, kernel-tools
• Fedora 29 update for kernel, kernel-headers, kernel-tools
• Fedora 29 update for kernel, kernel-headers, kernel-tools