Improper Initialization Affecting bpftool package, versions <0:4.18.0-553.el8_10
Threat Intelligence
EPSS
0.05% (19th
percentile)
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 ID SNYK-CENTOS8-BPFTOOL-3364875
- published 20 Mar 2023
- disclosed 14 Feb 2023
Introduced: 14 Feb 2023
CVE-2023-1513 Open this link in a new tabHow to fix?
Upgrade Centos:8 bpftool to version 0:4.18.0-553.el8_10 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.
References
- https://access.redhat.com/security/cve/CVE-2023-1513
- https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh@linuxfoundation.org/
- https://bugzilla.redhat.com/show_bug.cgi?id=2179892
- https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/
CVSS Scores
version 3.1