What’s Vulnerable › Vulnerabilities
CVE-2018-17972
- Severity: medium (CVSS 5.5 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-10-03 · updated 2026-06-17
- Weakness: 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 products
- Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 18.10
- Debian Linux: 8.0
- Linux kernel: through 4.18.11
- RedHat Enterprise Linux Desktop: 7.0
- RedHat Enterprise Linux Server: 7.0, 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
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- http://www.securityfocus.com/bid/105525
- https://access.redhat.com/errata/RHSA-2019:0512
- https://access.redhat.com/errata/RHSA-2019:0514
- https://access.redhat.com/errata/RHSA-2019:0831
- https://access.redhat.com/errata/RHSA-2019:2473
- 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://marc.info/?l=linux-fsdevel&m=153806242024956&w=2
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/3821-1/
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