Improper Input Validation Affecting kernel-debug-core package, versions <0:4.18.0-348.2.1.el8_5
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGCORE-1912006
- published 5 Nov 2021
- disclosed 2 Nov 2021
Introduced: 2 Nov 2021
CVE-2021-43267 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-core to version 0:4.18.0-348.2.1.el8_5 or higher.
This issue was patched in RHSA-2021:4647.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.
References
- https://access.redhat.com/security/cve/CVE-2021-43267
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- https://access.redhat.com/errata/RHSA-2021:4647
- http://www.openwall.com/lists/oss-security/2022/02/10/1
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- https://security.netapp.com/advisory/ntap-20211125-0002/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/