alsa-2026:64808
Vulnerability from osv_almalinux
Published
2026-09-08 00:00
Modified
2026-09-11 08:51
Summary
Important: kernel security update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: can: bcm: add locking for bcm_op runtime updates (CVE-2025-38004)
- kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)
- kernel: netfilter: nat: use kfree_rcu to release ops (CVE-2026-53000)
- kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136)
- kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)
- kernel: nvmet-auth: validate reply message payload bounds against transfer length (CVE-2026-64319)
- kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU (CVE-2026-64287)
- kernel: smb: client: fix change notify replay double-free (CVE-2026-64384)
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: bcm: add locking for bcm_op runtime updates (CVE-2025-38004)\n * kernel: io_uring/poll: fix signed comparison in io_poll_get_ownership() (CVE-2026-52933)\n * kernel: netfilter: nat: use kfree_rcu to release ops (CVE-2026-53000)\n * kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136)\n * kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)\n * kernel: nvmet-auth: validate reply message payload bounds against transfer length (CVE-2026-64319)\n * kernel: KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU (CVE-2026-64287)\n * kernel: smb: client: fix change notify replay double-free (CVE-2026-64384)\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-2026:64808",
"modified": "2026-09-11T08:51:29Z",
"published": "2026-09-08T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:64808"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38004"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-52933"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53000"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64136"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64287"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64319"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64320"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64384"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2370992"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2492097"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2492273"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502527"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2507061"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2507096"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2507129"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2507287"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/9/ALSA-2026-64808.html"
}
],
"related": [
"CVE-2025-38004",
"CVE-2026-52933",
"CVE-2026-53000",
"CVE-2026-64136",
"CVE-2026-64320",
"CVE-2026-64319",
"CVE-2026-64287",
"CVE-2026-64384"
],
"summary": "Important: kernel security 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.
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.
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