ALSA-2026:27288
Vulnerability from osv_almalinux – Published: 2026-06-19 00:00 – Updated: 2026-06-26 17:56 – Source website
VLAI
Summary
Important: kernel security, bug fix, and enhancement update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)
- kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)
- kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)
- kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)
- kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)
- kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)
- kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)
- kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)
- kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)
- kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)
- kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)
- kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result (CVE-2026-46152)
- kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)
- kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)
- kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)
Bug Fix(es) and Enhancement(s):
- AlmaLinux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-10.2.z] (JIRA:AlmaLinux-166047)
- AlmaLinux9.5 crash due to lpfc NULL ndlp->vport [almalinux-10.2.z] (JIRA:AlmaLinux-171774)
- objtool static_call check blocks build of out-of-tree livepatch modules on AlmaLinux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:AlmaLinux-178495)
- ibmveth Adapter Freeze with Small MSS [almalinux-10.2.z] (JIRA:AlmaLinux-179723)
- rbd: eliminate a race in lock_dwork draining on unmap [almalinux-10.2.z] (JIRA:AlmaLinux-183127)
- AlmaLinux10.0 - s390/mm: Add missing secure storage access fixups [almalinux-10.2.z] (JIRA:AlmaLinux-183319)
- [AlmaLinux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:AlmaLinux-182299)
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
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: can: isotp: fix tx.buf use-after-free in isotp_sendmsg() (CVE-2026-31474)\n * kernel: mptcp: fix slab-use-after-free in __inet_lookup_established (CVE-2026-31669)\n * kernel: rxrpc: Fix RxGK token loading to check bounds (CVE-2026-31641)\n * kernel: xen/privcmd: fix double free via VMA splitting (CVE-2026-31787)\n * kernel: Buffer overflow in drivers/xen/sys-hypervisor.c (CVE-2026-31786)\n * kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)\n * kernel: Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync (CVE-2026-31772)\n * kernel: bnxt_en: Fix RSS context delete logic (CVE-2026-43260)\n * kernel: crypto: caam - fix overflow on long hmac keys (CVE-2026-43330)\n * kernel: net/sched: act_pedit: extend the writable skb range per key (CVE-2026-46331)\n * kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CVE-2026-46056)\n * kernel: wifi: mac80211: drop stray \u0027static\u0027 from fast-RX rx_result (CVE-2026-46152)\n * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)\n * kernel: exit: prevent preemption of oopsing TASK_DEAD task (CVE-2026-46173)\n * kernel: wifi: mac80211: use safe list iteration in radar detect work (CVE-2026-46166)\n\n\nBug Fix(es) and Enhancement(s): \n\n * AlmaLinux10.0 - s390/ap: Expose ap_bindings_complete_count counter via sysfs [almalinux-10.2.z] (JIRA:AlmaLinux-166047)\n * AlmaLinux9.5 crash due to lpfc NULL ndlp-\u003evport [almalinux-10.2.z] (JIRA:AlmaLinux-171774)\n * objtool static_call check blocks build of out-of-tree livepatch modules on AlmaLinux 10.2 GA kernels ? missing upstream revert f495054bd12e (JIRA:AlmaLinux-178495)\n * ibmveth Adapter Freeze with Small MSS [almalinux-10.2.z] (JIRA:AlmaLinux-179723)\n * rbd: eliminate a race in lock_dwork draining on unmap [almalinux-10.2.z] (JIRA:AlmaLinux-183127)\n * AlmaLinux10.0 - s390/mm: Add missing secure storage access fixups [almalinux-10.2.z] (JIRA:AlmaLinux-183319)\n * [AlmaLinux10.2.z] Enable Pretimeout Watchdog Panic Functionality on x86 (JIRA:AlmaLinux-182299)\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-2026:27288",
"modified": "2026-06-26T17:56:00Z",
"published": "2026-06-19T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:27288"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31474"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31641"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31669"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31772"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31786"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31787"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-43056"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-43260"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-43330"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46056"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46125"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46152"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46166"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46173"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-46331"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2460646"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2461503"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2461548"
},
{
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"url": "https://bugzilla.redhat.com/2464092"
},
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"url": "https://bugzilla.redhat.com/2464096"
},
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"url": "https://bugzilla.redhat.com/2464449"
},
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"url": "https://bugzilla.redhat.com/2464502"
},
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"url": "https://bugzilla.redhat.com/2467083"
},
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"url": "https://bugzilla.redhat.com/2468061"
},
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"url": "https://bugzilla.redhat.com/2479492"
},
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"url": "https://bugzilla.redhat.com/2482181"
},
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"url": "https://bugzilla.redhat.com/2482563"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482608"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482634"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2482645"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/10/ALSA-2026-27288.html"
}
],
"related": [
"CVE-2026-31474",
"CVE-2026-31669",
"CVE-2026-31641",
"CVE-2026-31787",
"CVE-2026-31786",
"CVE-2026-43056",
"CVE-2026-31772",
"CVE-2026-43260",
"CVE-2026-43330",
"CVE-2026-46331",
"CVE-2026-46056",
"CVE-2026-46152",
"CVE-2026-46125",
"CVE-2026-46173",
"CVE-2026-46166"
],
"summary": "Important: kernel 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.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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