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Status published
Medium
CVE-2018-17972
An issue was discovered in the proc_pid_stack function in fs/proc/base.c...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3835-1/
- https://access.redhat.com/errata/RHSA-2019:0512
- https://usn.ubuntu.com/3880-1/
- https://usn.ubuntu.com/3871-5/
- https://usn.ubuntu.com/3871-4/
- http://www.securityfocus.com/bid/105525
- https://usn.ubuntu.com/3880-2/
- https://usn.ubuntu.com/3832-1/
- https://usn.ubuntu.com/3821-2/
- https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2
- https://usn.ubuntu.com/3871-1/
- https://access.redhat.com/errata/RHSA-2019:0514
- https://usn.ubuntu.com/3871-3/
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://access.redhat.com/errata/RHSA-2019:0831
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- https://access.redhat.com/errata/RHSA-2019:2473
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, ubuntu linux, enterprise linux desktop, enterprise linux server, enterprise linux server aus, enterprise linux server eus, enterprise linux server tus, enterprise linux workstation, debian linux
Vulnerable Versions:
0, 12.04, 14.04, 16.04, 18.04, 18.10, 7.0, 7.6, 8.0
Timeline
Official Publish:
October 3rd, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.