Race Condition Affecting kernel-debuginfo package, versions <0:4.14.192-147.314.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-1683459
- published 27 Sep 2021
- disclosed 31 Jan 2020
Introduced: 31 Jan 2020
CVE-2019-3016 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2
kernel-debuginfo
to version 0:4.14.192-147.314.amzn2 or higher.
This issue was patched in ALAS2-2020-1480
.
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:2
relevant fixed versions and status.
In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1792167
- https://git.kernel.org/linus/1eff70a9abd46f175defafd29bc17ad456f398a7
- https://git.kernel.org/linus/8c6de56a42e0c657955e12b882a81ef07d1d073e
- https://git.kernel.org/linus/917248144db5d7320655dbb41d3af0b8a0f3d589
- https://git.kernel.org/linus/a6bd811f1209fe1c64c9f6fd578101d6436c6b6e
- https://git.kernel.org/linus/b043138246a41064527cf019a3d51d9f015e9796
- https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini@redhat.com/
- https://security.netapp.com/advisory/ntap-20200313-0003/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3016
- https://www.debian.org/security/2020/dsa-4699
- http://packetstormsecurity.com/files/157233/Kernel-Live-Patch-Security-Notice-LSN-0065-1.html
- http://www.openwall.com/lists/oss-security/2020/01/30/4
- https://usn.ubuntu.com/4300-1/
- https://usn.ubuntu.com/4301-1/
- https://lore.kernel.org/lkml/1580407316-11391-1-git-send-email-pbonzini%40redhat.com/