Privilege Dropping / Lowering Errors Affecting kernel-rt-debug package, versions <0:3.10.0-1160.15.2.rt56.1152.el7
Threat Intelligence
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-CENTOS7-KERNELRTDEBUG-2179673
- published 26 Jul 2021
- disclosed 21 Dec 2020
Introduced: 21 Dec 2020
CVE-2020-35513 Open this link in a new tabHow to fix?
Upgrade Centos:7 kernel-rt-debug to version 0:3.10.0-1160.15.2.rt56.1152.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service.
References
- https://access.redhat.com/security/cve/CVE-2020-35513
- https://bugzilla.redhat.com/show_bug.cgi?id=1911309
- https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297@fieldses.org/
- https://access.redhat.com/errata/RHSA-2021:0338
- https://patchwork.kernel.org/project/linux-nfs/patch/20180403203916.GH20297%40fieldses.org/