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.
Published: 2018-10-03
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1715-1 linux-4.9 security update
Debian DLA Debian DLA DLA-1731-1 linux security update
Debian DLA Debian DLA DLA-1731-2 linux regression update
EUVD EUVD EUVD-2018-9712 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.
Ubuntu USN Ubuntu USN USN-3821-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3821-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3832-1 Linux kernel (AWS) vulnerabilities
Ubuntu USN Ubuntu USN USN-3835-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3871-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3871-3 Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-3871-4 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3871-5 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-3880-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3880-2 Linux kernel (Trusty HWE) vulnerabilities
History

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Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Linux Linux Kernel
Redhat Enterprise Linux Enterprise Linux Desktop Enterprise Linux Server Enterprise Linux Server Aus Enterprise Linux Server Eus Enterprise Linux Server Tus Enterprise Linux Workstation Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T11:01:14.755Z

Reserved: 2018-10-03T00:00:00.000Z

Link: CVE-2018-17972

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-10-03T22:29:00.800

Modified: 2024-11-21T03:55:18.577

Link: CVE-2018-17972

cve-icon Redhat

Severity : Moderate

Publid Date: 2018-09-27T00:00:00Z

Links: CVE-2018-17972 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses