Double Free Affecting kernel-tools package, versions <0:4.18.0-305.114.1.el8_4
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-6093016
- published 29 Nov 2023
- disclosed 15 Oct 2023
How to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-305.114.1.el8_4 or higher.
This issue was patched in RHSA-2023:7557.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A use-after-free vulnerability was found in drivers/nvme/target/tcp.cinnvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.
References
- https://access.redhat.com/security/cve/CVE-2023-5178
- https://bugzilla.redhat.com/show_bug.cgi?id=2241924
- https://access.redhat.com/errata/RHSA-2023:7557
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://security.netapp.com/advisory/ntap-20231208-0004/
- https://lore.kernel.org/linux-nvme/20231002105428.226515-1-sagi@grimberg.me/