RHSA-2024:11483
Vulnerability from csaf_redhat - Published: 2024-12-19 00:11 - Updated: 2025-11-21 18:56Summary
Red Hat Security Advisory: kernel-rt security update
Notes
Topic
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. 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: KVM: arm64: Disassociate vcpus from redistributor region on teardown (CVE-2024-40989)
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.
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": "A vulnerability was found in the Linux kernel\u0027s KVM for ARM64 within the vgic-init.c, vgic-mmio-v3.c, and vgic.h files. The virtual vCPUs may retain dangling pointers in a redistributor region after they have been torn down, leading to potential memory corruption.",
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"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.",
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"summary": "https://www.cve.org/CVERecord?id=CVE-2024-40989",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40989"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-40989",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-40989"
},
{
"category": "external",
"summary": "https://lore.kernel.org/linux-cve-announce/2024071249-CVE-2024-40989-c8da@gregkh/T",
"url": "https://lore.kernel.org/linux-cve-announce/2024071249-CVE-2024-40989-c8da@gregkh/T"
}
],
"release_date": "2024-07-12T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2024-12-19T00:11:46+00:00",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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