rhsa-2024_2585
Vulnerability from csaf_redhat
Published
2024-04-30 14:51
Modified
2024-11-24 13:17
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 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.
'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: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)
* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)
* kernel: netfilter: divide error in nft_limit_init (CVE-2021-46915)
* kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)
Bug Fix(es):
* kernel-rt: kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (JIRA:RHEL-20498)
* TRIAGE CVE-2021-46915 kernel-rt: kernel: netfilter: divide error in nft_limit_init (JIRA:RHEL-29264)
* kernel-rt: update RT source tree to the latest RHEL-8.4.z Batch 24 (JIRA:RHEL-29266)
* kernel-rt: kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (JIRA:RHEL-26391)
* kernel-rt: kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29217)
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": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)\n\n* kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)\n\n* kernel: netfilter: divide error in nft_limit_init (CVE-2021-46915)\n\n* kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)\n\nBug Fix(es):\n\n* kernel-rt: kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (JIRA:RHEL-20498)\n\n* TRIAGE CVE-2021-46915 kernel-rt: kernel: netfilter: divide error in nft_limit_init (JIRA:RHEL-29264)\n\n* kernel-rt: update RT source tree to the latest RHEL-8.4.z Batch 24 (JIRA:RHEL-29266)\n\n* kernel-rt: kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (JIRA:RHEL-26391)\n\n* kernel-rt: kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (JIRA:RHEL-29217)",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.