CVEvulnerability

CVE-2018-17972

5.5 MEDIUM Published 2018-10-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-10-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:C/I:N/A:N
Weaknesses
CWE-362

Description

An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.

Affected configurations

• linux linux kernel (<= 4.18.11) • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 18.10 • redhat enterprise linux desktop 7.0 • redhat enterprise linux server 7.0 • redhat enterprise linux server 7.6 • redhat enterprise linux server aus 7.6 • redhat enterprise linux server eus 7.6 • redhat enterprise linux server tus 7.6 • redhat enterprise linux workstation 7.0 • debian debian linux 8.0

Related

Weakness · CWE (1)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness

References