Improper Input Validation Affecting kernel package, versions <0:4.14.186-146.268.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-1682397
- published 27 Sep 2021
- disclosed 21 Mar 2019
Introduced: 21 Mar 2019
CVE-2018-20669 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.186-146.268.amzn2 or higher.
This issue was patched in ALAS2-2020-1465.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
An issue where a provided address with access_ok() is not checked was discovered in i915_gem_execbuffer2_ioctl in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the Linux kernel through 4.19.13. A local attacker can craft a malicious IOCTL function call to overwrite arbitrary kernel memory, resulting in a Denial of Service or privilege escalation.
References
- http://www.securityfocus.com/bid/106748
- https://security.netapp.com/advisory/ntap-20190404-0002/
- https://support.f5.com/csp/article/K32059550
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20669
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/drivers/gpu/drm/i915/i915_gem_execbuffer.c
- https://access.redhat.com/security/cve/cve-2018-20669
- http://lists.opensuse.org/opensuse-security-announce/2019-02/msg00042.html
- http://www.openwall.com/lists/oss-security/2019/01/23/6
- https://usn.ubuntu.com/4485-1/