Race Condition Affecting python-perf package, versions <0:4.14.77-80.57.amzn2
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-AMZN2-PYTHONPERF-1666301
- published27 Sept 2021
- disclosed3 Oct 2018
Introduced: 3 Oct 2018
CVE-2018-17972 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2 python-perf to version 0:4.14.77-80.57.amzn2 or higher.
This issue was patched in ALAS2-2018-1100.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 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
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=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-2019:0512
- https://access.redhat.com/errata/RHSA-2019:0514
- https://access.redhat.com/errata/RHSA-2019:0831
- https://access.redhat.com/errata/RHSA-2019:2473
- 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