Information Exposure Affecting kernel-kdump-devel package, versions <0:2.6.32-754.18.2.el6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL6-KERNELKDUMPDEVEL-1522395
- published26 Jul 2021
- disclosed27 Sept 2018
Introduced: 27 Sep 2018
CVE-2018-17972 (opens in a new tab)How to fix?
Upgrade RHEL:6 kernel-kdump-devel to version 0:2.6.32-754.18.2.el6 or higher.
This issue was patched in RHSA-2019:2473.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-kdump-devel package and not the kernel-kdump-devel package as distributed by RHEL.
See How to fix? for RHEL:6 relevant fixed versions and status.
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.
References
- http://www.securityfocus.com/bid/105525
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&utm_medium=RSS
- https://access.redhat.com/security/cve/CVE-2018-17972
- https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2
- 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-2019:2473
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/3832-1/
- https://usn.ubuntu.com/3835-1/
- https://usn.ubuntu.com/3871-1/
- https://usn.ubuntu.com/3871-3/
- https://usn.ubuntu.com/3871-4/
- https://usn.ubuntu.com/3871-5/
- https://usn.ubuntu.com/3880-1/
- https://usn.ubuntu.com/3880-2/
- https://support.f5.com/csp/article/K27673650?utm_source=f5support&%3Butm_medium=RSS