Use-after-free error in ALSA PCM - CVE-2017-0861

Vulnerability identifier: #VU10885

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2017-0861

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to use-after-free error. A local attacker can trigger memory corruption and cause the service to crash or execute arbitrary code.

ALSA PCM

kernel (Red Hat package)
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for Power, big endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Oracle Communications LSMS

Install update from vendor's website.

kernel (Red Hat package) - addressed in versions 2.6.32-754.3.5.el6, 3.10.0-862.46.1.el7
Oracle Communications LSMS - update to 13.4

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=362bca57f5d78220f8b590...

• Privilege escalation in ALSA PCM
• Red Hat update for kernel
• Multiple vulnerabilities in Oracle Communications LSMS
• Red Hat Enterprise Linux 6 update for kernel