Improper Resource Shutdown or Release Affecting kernel-debuginfo package, versions <0:4.9.32-15.41.amzn1
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-AMZN201803-KERNELDEBUGINFO-1706760
- published27 Sept 2021
- disclosed18 May 2017
Introduced: 18 May 2017
CVE-2017-9059 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 kernel-debuginfo to version 0:4.9.32-15.41.amzn1 or higher.
This issue was patched in ALAS-2017-846.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
The NFSv4 implementation in the Linux kernel through 4.11.1 allows local users to cause a denial of service (resource consumption) by leveraging improper channel callback shutdown when unmounting an NFSv4 filesystem, aka a "module reference and kernel daemon" leak.
References
- http://www.securityfocus.com/bid/98551
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c70422f760c120480fee4de6c38804c72aa26bc1
- https://bugzilla.redhat.com/show_bug.cgi?id=1451386
- https://github.com/torvalds/linux/commit/c70422f760c120480fee4de6c38804c72aa26bc1
- https://www.spinics.net/lists/linux-nfs/msg63334.html
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9059