RLSA-2026:77689 (CVE-2026-23103)

Vulnerability from osv_rocky – Published: 2026-10-09 12:05 – Updated: 2026-10-09 12:15 – 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: idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init() (CVE-2026-64162)

  • 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: 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: revoke copy-notify stateids before dropping their reference (CVE-2026-89663)

Bug Fix(es) and Enhancement(s):

  • "iavf: refactor iavf_clean_rx_irq to support legacy and flex descriptors" broke rx-vlan-offload on rhel-9.7 [rhel-9.8.z] (JIRA:Rocky Linux-169480)

  • [GNR-D] missing interfaces tspll_cfg (JIRA:Rocky Linux-183201)

  • Rocky Linux9.8z KVM guest panicked in vmmouse driver (JIRA:Rocky Linux-186577)

  • Add Epson RX8111 support to Rocky Linux9.9 [rhel-9.8.z] (JIRA:Rocky Linux-212014)

  • RT scheduler livelock: migrate-disabled task at pushable-list head causes repeated RT push/stopper retries, starving a critical RT task (remaining issue after CVE-2026-45919 fix in 94894c9c477e) [rhel-9.8.z] (JIRA:Rocky Linux-256279)

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.

Severity
8.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Credits
Rocky Enterprise Software Foundation
Red Hat
References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:9",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:5.14.0-687.56.1.el9_8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "database_specific": {
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:77689"
  },
  "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\n* kernel: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (CVE-2026-53360)\n\n* kernel: vsock/virtio: fix zerocopy completion for multi-skb sends (CVE-2026-53365)\n\n* kernel: NFSD: Fix SECINFO_NO_NAME decode error cleanup (CVE-2026-53398)\n\n* kernel: vsock/virtio: bind uarg before filling zerocopy skb (CVE-2026-63970)\n\n* kernel: igc: set tx buffer type for SMD frames (CVE-2026-64035)\n\n* kernel: idpf: fix read_dev_clk_lock spinlock init in idpf_ptp_init() (CVE-2026-64162)\n\n* kernel: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)\n\n* kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker (CVE-2026-72317)\n\n* kernel: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (CVE-2026-74744)\n\n* kernel: nfsd: defer vfree of compound ops to fix rpc_status UAF (CVE-2026-89690)\n\n* kernel: nfsd: initialize copy-notify stateid before publishing it (CVE-2026-89669)\n\n* kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)\n\n* kernel: nfsd: revoke copy-notify stateids before dropping their reference (CVE-2026-89663)\n\nBug Fix(es) and Enhancement(s):\n\n* \"iavf: refactor iavf_clean_rx_irq to support legacy and flex descriptors\" broke rx-vlan-offload on rhel-9.7 [rhel-9.8.z] (JIRA:Rocky Linux-169480)\n\n* [GNR-D] missing interfaces tspll_cfg (JIRA:Rocky Linux-183201)\n\n* Rocky Linux9.8z KVM guest panicked in vmmouse driver (JIRA:Rocky Linux-186577)\n\n* Add Epson RX8111 support to Rocky Linux9.9 [rhel-9.8.z] (JIRA:Rocky Linux-212014)\n\n* RT scheduler livelock: migrate-disabled task at pushable-list head causes repeated RT push/stopper retries, starving a critical RT task (remaining issue after CVE-2026-45919 fix in 94894c9c477e) [rhel-9.8.z] (JIRA:Rocky Linux-256279)\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.",
  "id": "RLSA-2026:77689",
  "modified": "2026-10-09T12:15:42.402370Z",
  "published": "2026-10-09T12:05:31.687519Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:77689"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436771"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2497032"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2499742"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502222"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502411"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502476"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502521"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502593"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516705"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524431"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532103"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532111"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532218"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2532231"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:77689"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "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-2026-64162",
    "CVE-2026-72317",
    "CVE-2026-74744",
    "CVE-2026-89530",
    "CVE-2026-89663",
    "CVE-2026-89669",
    "CVE-2026-89690"
  ]
}



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