alsa-2026:42550
Vulnerability from osv_almalinux
Published
2026-07-21 00:00
Modified
2026-07-21 10:22
Summary
Important: kernel-rt security, bug fix, and enhancement update
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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)
- kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)
Bug Fix(es) and Enhancement(s):
- [almalinux-8] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected - at: vmd_pci_write+0x85/0xe0 - deadlock (JIRA:AlmaLinux-174916)
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.
References
{
"affected": [
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-debug"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-debug-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-debug-devel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-debug-modules"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-debug-modules-extra"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-devel"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-modules"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "kernel-rt-modules-extra"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.18.0-553.146.1.rt7.487.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"details": "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: RDMA/mana: Remove user triggerable WARN_ON() in mana_ib_create_qp_rss() (CVE-2026-46117)\n * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071)\n\n\nBug Fix(es) and Enhancement(s): \n\n * [almalinux-8] WARNING: HARDIRQ-safe -\u003e HARDIRQ-unsafe lock order detected - at: vmd_pci_write+0x85/0xe0 - deadlock (JIRA:AlmaLinux-174916)\n\n\nFor 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.\n",
"id": "ALSA-2026:42550",
"modified": "2026-07-21T10:22:15Z",
"published": "2026-07-21T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:42550"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46117"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53071"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482576"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2492458"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/8/ALSA-2026-42550.html"
}
],
"related": [
"CVE-2026-46117",
"CVE-2026-53071"
],
"summary": "Important: kernel-rt security, bug fix, and enhancement update"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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