rhsa-2023_1467
Vulnerability from csaf_redhat
Published
2023-03-27 08:07
Modified
2024-11-15 13:27
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update

Notes

Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * kernel-rt: update RT source tree to the latest RHEL-9.0.z8 Batch (BZ#2174392)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


To clipboard 

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          "text": "Keeping Red Hat Enterprise Linux version 8 with Moderate severity, because required patch 158b515f703e (see reference) missed. However, currently Red Hat Enterprise Linux version 8 not affected, because previous patch not backported too: 766b0515d5be (\"net: make sure devices go through netdev_wait_all_refs\"). Means that it is not possible to trigger the issue for the Red Hat Enterprise Linux 8, but potentially Red Hat Enterprise Linux version 8 could be vulnerable in future, so still need to fix. For the Red Hat Enterprise Linux version 9 there is known way to reproduce the issue.",
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      "title": "kernel: tun: avoid double free in tun_free_netdev"
    }
  ]
}


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