ALSA-2026:77690 (CVE-2026-23103)
Vulnerability from osv_almalinux – Published: 2026-10-07 00:00 – Updated: 2026-10-09 11:14 – 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: ipvlan: Make the addrs_lock be per port (CVE-2026-23103)
- kernel: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (CVE-2026-53360)
- kernel: vsock/virtio: fix zerocopy completion for multi-skb sends (CVE-2026-53365)
- kernel: NFSD: Fix SECINFO_NO_NAME decode error cleanup (CVE-2026-53398)
- kernel: vsock/virtio: bind uarg before filling zerocopy skb (CVE-2026-63970)
- kernel: igc: set tx buffer type for SMD frames (CVE-2026-64035)
- kernel: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)
- kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker (CVE-2026-72317)
- kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)
- kernel: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (CVE-2026-74744)
- kernel: nfsd: defer vfree of compound ops to fix rpc_status UAF (CVE-2026-89690)
- kernel: nfsd: initialize copy-notify stateid before publishing it (CVE-2026-89669)
- kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)
- kernel: nfsd: fix stale s2s_cp_stateids IDR entry for async COPY (CVE-2026-89676)
- kernel: nfsd: revoke copy-notify stateids before dropping their reference (CVE-2026-89663)
- kernel: nfsd: fix UAF in async copy cancel and shutdown (CVE-2026-89675)
Bug Fix(es) and Enhancement(s):
- mlxbf_bootctl: driver update to Linux v6.16 [Nvidia 10.2.z FEAT] (JIRA:AlmaLinux-212709)
- [GNR-D] missing interfaces tspll_cfg [almalinux-10.2] (JIRA:AlmaLinux-273805)
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: ipvlan: Make the addrs_lock be per port (CVE-2026-23103)\n * kernel: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (CVE-2026-53360)\n * kernel: vsock/virtio: fix zerocopy completion for multi-skb sends (CVE-2026-53365)\n * kernel: NFSD: Fix SECINFO_NO_NAME decode error cleanup (CVE-2026-53398)\n * kernel: vsock/virtio: bind uarg before filling zerocopy skb (CVE-2026-63970)\n * kernel: igc: set tx buffer type for SMD frames (CVE-2026-64035)\n * kernel: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)\n * kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker (CVE-2026-72317)\n * kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)\n * kernel: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (CVE-2026-74744)\n * kernel: nfsd: defer vfree of compound ops to fix rpc_status UAF (CVE-2026-89690)\n * kernel: nfsd: initialize copy-notify stateid before publishing it (CVE-2026-89669)\n * kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)\n * kernel: nfsd: fix stale s2s_cp_stateids IDR entry for async COPY (CVE-2026-89676)\n * kernel: nfsd: revoke copy-notify stateids before dropping their reference (CVE-2026-89663)\n * kernel: nfsd: fix UAF in async copy cancel and shutdown (CVE-2026-89675)\n\n\nBug Fix(es) and Enhancement(s): \n\n * mlxbf_bootctl: driver update to Linux v6.16 [Nvidia 10.2.z FEAT] (JIRA:AlmaLinux-212709)\n * [GNR-D] missing interfaces tspll_cfg [almalinux-10.2] (JIRA:AlmaLinux-273805)\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-2026:77690",
"modified": "2026-10-09T11:14:48Z",
"published": "2026-10-07T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:77690"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-23103"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53360"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53365"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-53398"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-63970"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64035"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-64115"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-72317"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74705"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-74744"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89530"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89663"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89669"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89675"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89676"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-89690"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2436771"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2497032"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2499742"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502222"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502411"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502476"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2502593"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2516705"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2521498"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2524431"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532103"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532111"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532218"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532219"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532231"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2532272"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/10/ALSA-2026-77690.html"
}
],
"related": [
"CVE-2026-23103",
"CVE-2026-53360",
"CVE-2026-53365",
"CVE-2026-53398",
"CVE-2026-63970",
"CVE-2026-64035",
"CVE-2026-64115",
"CVE-2026-72317",
"CVE-2026-74705",
"CVE-2026-74744",
"CVE-2026-89530",
"CVE-2026-89663",
"CVE-2026-89669",
"CVE-2026-89675",
"CVE-2026-89676",
"CVE-2026-89690"
],
"schema_version": "1.7.0",
"summary": "Important: kernel security, bug fix, and enhancement update",
"upstream": [
"CVE-2026-23103",
"CVE-2026-53360",
"CVE-2026-53365",
"CVE-2026-53398",
"CVE-2026-63970",
"CVE-2026-64035",
"CVE-2026-64115",
"CVE-2026-72317",
"CVE-2026-74705",
"CVE-2026-74744",
"CVE-2026-89530",
"CVE-2026-89663",
"CVE-2026-89669",
"CVE-2026-89675",
"CVE-2026-89676",
"CVE-2026-89690"
]
}
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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.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.
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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.