Race Condition Affecting bpftool package, versions <0:3.10.0-1062.12.1.el7
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Test your applications- Snyk ID SNYK-CENTOS7-BPFTOOL-2151118
- published 26 Jul 2021
- disclosed 20 Nov 2019
How to fix?
Upgrade Centos:7 bpftool to version 0:3.10.0-1062.12.1.el7 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:7 relevant fixed versions and status.
The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14898
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://access.redhat.com/security/cve/CVE-2019-14898
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1790
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://access.redhat.com/errata/RHSA-2020:0374
- https://bugzilla.redhat.com/show_bug.cgi?id=1774671