NULL Pointer Dereference Affecting bpftool package, versions <0:4.18.0-147.el8
Threat Intelligence
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Test your applications- Snyk IDSNYK-RHEL8-BPFTOOL-3499162
- published26 Jul 2021
- disclosed4 Sept 2019
Introduced: 4 Sep 2019
CVE-2019-15924 (opens in a new tab)How to fix?
Upgrade RHEL:8 bpftool to version 0:4.18.0-147.el8 or higher.
This issue was patched in RHSA-2019:3517.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An issue was discovered in the Linux kernel before 5.0.11. fm10k_init_module in drivers/net/ethernet/intel/fm10k/fm10k_main.c has a NULL pointer dereference because there is no -ENOMEM upon an alloc_workqueue failure.
References
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://access.redhat.com/security/cve/CVE-2019-15924
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11
- https://github.com/torvalds/linux/commit/01ca667133d019edc9f0a1f70a272447c84ec41f
- https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
- https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
- https://access.redhat.com/errata/RHSA-2019:3517
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html