rhsa-2021_4779
Vulnerability from csaf_redhat
Published
2021-11-23 17:29
Modified
2024-11-15 07:34
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 7. 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: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385) 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): * BUG: scheduling while atomic: bz722926/3905/0x00000002 regresion case with zram (BZ#1833860) * kernel-rt: update to the latest RHEL7.9.z10 source tree (BZ#2009077)
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.


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          "text": "An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA.  This could allow a local attacker to crash the system, corrupt memory or escalate privileges.",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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