Use After Free Affecting perf-debuginfo package, versions <0:4.14.55-62.37.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.
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-AMZN201803-PERFDEBUGINFO-1714066
- published27 Sept 2021
- disclosed24 May 2018
Introduced: 24 May 2018
CVE-2018-11412 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.14.55-62.37.amzn1 or higher.
This issue was patched in ALAS-2018-1046.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf-debuginfo package and not the perf-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
References
- http://www.securityfocus.com/bid/104291
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11412
- https://www.exploit-db.com/exploits/44832/
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1580
- https://bugzilla.kernel.org/show_bug.cgi?id=199803
- https://access.redhat.com/errata/RHSA-2019:0525
- https://usn.ubuntu.com/3752-1/
- https://usn.ubuntu.com/3752-2/
- https://usn.ubuntu.com/3752-3/