ALSA-2026:85321
Vulnerability from osv_almalinux – Published: 2026-10-19 00:00 – Updated: 2026-10-20 22:33 – 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: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678)
- kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935)
- kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)
- kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)
- kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)
- kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-2026-63962)
- kernel: sctp: avoid auth_enable sysctl UAF during netns teardown (CVE-2026-68162)
- kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)
- kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)
- kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)
- kernel: Bluetooth: hci_sync: Fix advertising data UAFs (CVE-2026-74509)
- kernel: sctp: keep chunk->transport in step with the list it is queued on (CVE-2026-74588)
- kernel: sctp: validate cookie AUTH state before use (CVE-2026-74752)
- kernel: smb: client: reject a tree connect response whose byte count is too small (CVE-2026-89631)
- kernel: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (CVE-2026-89633)
- kernel: signal: Prevent exec() race (CVE-2026-98256)
- kernel: exec: Cleanup POSIX timers right after de_thread() (CVE-2026-98260)
Bug Fix(es) and Enhancement(s):
- [10.2.z] kselftests: mm: hugepage-mremap: Bail out! mremap: Expected failure, but call succeeded (JIRA:AlmaLinux-181987)
- [IBM 10.3 FEAT] zcrypt driver overwrite function - kernel part [almalinux-10.2.z] (JIRA:AlmaLinux-245336)
- Batch: z-stream xfrm - rhel-10.2.z (NST-Core-26W38) (JIRA:AlmaLinux-256678)
- RHIVOS - [backport] S32G Driver Enablement - USB (JIRA:AlmaLinux-257228)
- Fix pending kernel issues for L1VH GA - Kernel (JIRA:AlmaLinux-267038)
- Backport 6785011f8b16 ("ipv4: validate checksum_start before completing checksum") [almalinux-10.2.z] (JIRA:AlmaLinux-280590)
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: openvswitch: defer tunnel netdev_put to RCU release (CVE-2026-31678)\n * kernel: xfrm: espintcp: do not reuse an in-progress partial send (CVE-2026-52935)\n * kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)\n * kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)\n * kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)\n * kernel: usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (CVE-2026-63962)\n * kernel: sctp: avoid auth_enable sysctl UAF during netns teardown (CVE-2026-68162)\n * kernel: tipc: clear sock-\u003esk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)\n * kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)\n * kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)\n * kernel: Bluetooth: hci_sync: Fix advertising data UAFs (CVE-2026-74509)\n * kernel: sctp: keep chunk-\u003etransport in step with the list it is queued on (CVE-2026-74588)\n * kernel: sctp: validate cookie AUTH state before use (CVE-2026-74752)\n * kernel: smb: client: reject a tree connect response whose byte count is too small (CVE-2026-89631)\n * kernel: smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (CVE-2026-89633)\n * kernel: signal: Prevent exec() race (CVE-2026-98256)\n * kernel: exec: Cleanup POSIX timers right after de_thread() (CVE-2026-98260)\n\n\nBug Fix(es) and Enhancement(s): \n\n * [10.2.z] kselftests: mm: hugepage-mremap: Bail out! mremap: Expected failure, but call succeeded (JIRA:AlmaLinux-181987)\n * [IBM 10.3 FEAT] zcrypt driver overwrite function - kernel part [almalinux-10.2.z] (JIRA:AlmaLinux-245336)\n * Batch: z-stream xfrm - rhel-10.2.z (NST-Core-26W38) (JIRA:AlmaLinux-256678)\n * RHIVOS - [backport] S32G Driver Enablement - USB (JIRA:AlmaLinux-257228)\n * Fix pending kernel issues for L1VH GA - Kernel (JIRA:AlmaLinux-267038)\n * Backport 6785011f8b16 (\"ipv4: validate checksum_start before completing checksum\") [almalinux-10.2.z] (JIRA:AlmaLinux-280590)\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-2026:85321",
"modified": "2026-10-20T22:33:24Z",
"published": "2026-10-19T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:85321"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-31678"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-52917"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-52935"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-63801"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-63962"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-63971"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-68117"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-68162"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-68300"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-68315"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74509"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74588"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74752"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89631"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89633"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-98256"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-98260"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2461761"
},
{
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"url": "https://bugzilla.redhat.com/2492098"
},
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"url": "https://bugzilla.redhat.com/2492115"
},
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"url": "https://bugzilla.redhat.com/2502254"
},
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"url": "https://bugzilla.redhat.com/2502331"
},
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"url": "https://bugzilla.redhat.com/2502356"
},
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"url": "https://bugzilla.redhat.com/2513314"
},
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"url": "https://bugzilla.redhat.com/2513397"
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"url": "https://bugzilla.redhat.com/2513408"
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"url": "https://bugzilla.redhat.com/2513474"
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"url": "https://bugzilla.redhat.com/2516967"
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"url": "https://bugzilla.redhat.com/2521384"
},
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"url": "https://bugzilla.redhat.com/2524422"
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"url": "https://bugzilla.redhat.com/2532089"
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"url": "https://bugzilla.redhat.com/2532230"
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"url": "https://bugzilla.redhat.com/2546482"
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"url": "https://bugzilla.redhat.com/2546491"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/10/ALSA-2026-85321.html"
}
],
"related": [
"CVE-2026-31678",
"CVE-2026-52935",
"CVE-2026-52917",
"CVE-2026-63801",
"CVE-2026-63971",
"CVE-2026-63962",
"CVE-2026-68162",
"CVE-2026-68117",
"CVE-2026-68300",
"CVE-2026-68315",
"CVE-2026-74509",
"CVE-2026-74588",
"CVE-2026-74752",
"CVE-2026-89631",
"CVE-2026-89633",
"CVE-2026-98256",
"CVE-2026-98260"
],
"summary": "Important: kernel security, bug fix, and enhancement update"
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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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
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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
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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.