rxsa-2026:25217
Vulnerability from osv_rocky
Published
2026-06-15 18:06
Modified
2026-06-29 12:07
Summary
Important: kernel security update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)

  • kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419)

  • kernel: net: openvswitch: Avoid releasing netdev before teardown completes (CVE-2026-31508)

  • kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)

  • kernel: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (CVE-2026-43037)

  • kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)

  • kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)

  • kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)

  • kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)

  • kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)

  • kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)

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:N/AC:L/PR:L/UI:N/S:U/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-sig-cloud\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "cloud-common"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:5.14.0-687.15.1.el9_7.cloud.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [
    {
      "name": "Rocky Enterprise Software Foundation"
    },
    {
      "name": "Red Hat"
    }
  ],
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (CVE-2026-23216)\n\n* kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service (CVE-2026-31419)\n\n* kernel: net: openvswitch: Avoid releasing netdev before teardown completes (CVE-2026-31508)\n\n* kernel: ALSA: 6fire: fix use-after-free on disconnect (CVE-2026-31581)\n\n* kernel: ip6_tunnel: clear skb2-\u003ecb[] in ip4ip6_err() (CVE-2026-43037)\n\n* kernel: net: mana: fix use-after-free in add_adev() error path (CVE-2026-43056)\n\n* kernel: netfilter: ctnetlink: ensure safe access to master conntrack (CVE-2026-43116)\n\n* kernel: dlm: validate length in dlm_search_rsb_tree (CVE-2026-43125)\n\n* kernel: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (CVE-2026-43501)\n\n* kernel: RDMA/rxe: Fix double free in rxe_srq_from_init (CVE-2026-45852)\n\n* kernel: RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (CVE-2026-46181)\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": "RXSA-2026:25217",
  "modified": "2026-06-29T12:07:40.679436Z",
  "published": "2026-06-15T18:06:35.386083Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RXSA-2026:25217"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2440630"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457829"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460641"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461471"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464351"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464449"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467005"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467234"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480457"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482166"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482532"
    }
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Important: kernel security update",
  "upstream": [
    "CVE-2026-23216",
    "CVE-2026-31419",
    "CVE-2026-31508",
    "CVE-2026-31581",
    "CVE-2026-43037",
    "CVE-2026-43056",
    "CVE-2026-43116",
    "CVE-2026-43125",
    "CVE-2026-43501",
    "CVE-2026-45852",
    "CVE-2026-46181"
  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.