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rlsa-2026:61887
Vulnerability from osv_rocky
Published
2026-09-02 18:08
Modified
2026-09-04 00:13
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: seccomp: passthrough uretprobe systemcall without filtering (CVE-2025-21834)

  • kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003)

  • kernel: netfilter: nf_tables: Fix for duplicate device in netdev hooks (CVE-2026-43454)

  • kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450)

  • kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970)

  • kernel: ip6_gre: Use cached t->net in ip6erspan_changelink() (CVE-2026-46120)

  • kernel: iommu/amd: Fix clone_alias() to use the original device's devid (CVE-2026-53053)

  • kernel: NFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg (CVE-2026-53026)

  • kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)

  • kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196)

  • kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)

  • kernel: mm/list_lru: drain before clearing xarray entry on reparent (CVE-2026-53153)

  • kernel: pNFS: Fix use-after-free in pnfs_update_layout() (CVE-2026-63800)

  • kernel: nfsd: fix posix_acl leak on SETACL decode failure (CVE-2026-53397)

  • kernel: nfsd: release layout stid on setlease failure (CVE-2026-53399)

  • kernel: NFSv4/flexfiles: reject zero filehandle version count (CVE-2026-53392)

  • kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (CVE-2026-53391)

  • kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access (CVE-2026-64018)

  • kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136)

  • kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)

  • kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)

  • kernel: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov() (CVE-2026-64438)

  • kernel: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304)

  • kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298)

  • kernel: ALSA: virtio: Validate control metadata from the device (CVE-2026-64490)

  • kernel: mm: shrinker: fix shrinker_info teardown race with expansion (CVE-2026-64418)

  • kernel: smb: client: fix change notify replay double-free (CVE-2026-64384)

  • kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)

  • kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)

  • kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480)

  • kernel: mm/khugepaged: write all dirty file folios when collapsing (CVE-2026-68086)

  • kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation (CVE-2026-68166)

  • kernel: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() (CVE-2026-72069)

  • kernel: nvmet-auth: reject short AUTH_RECEIVE buffers (CVE-2026-72130)

Bug Fix(es) and Enhancement(s):

  • Rocky Linux 10: s390: Revert support for DCACHE_WORD_ACCESS [rhel-10.2.z] (JIRA:Rocky Linux-188180)

  • qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-10.2.z] (JIRA:Rocky Linux-193043)

  • ss core dumped when there is an SCTP session [rhel-10.2.z] (JIRA:Rocky Linux-212393)

  • [Rocky Linux-10.2.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:Rocky Linux-218627)

  • Rocky Linux10.0 - s390/pfault: Fix virtual vs physical address confusion [rhel-10.2.z] (JIRA:Rocky Linux-222507)

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
https://errata.rockylinux.org/RLSA-2026:61887 ADVISORY
https://bugzilla.redhat.com/show_bug.cgi?id=2492735 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502889 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507208 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502527 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2516248 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2492788 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507277 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507301 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2516448 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502239 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502260 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2468145 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507061 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507285 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2482006 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2492454 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2492750 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507119 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2468228 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502227 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507290 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502219 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502421 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2513167 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2482614 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2492790 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2492310 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507118 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2507287 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2350398 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2502240 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2513141 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2508363 REPORT
https://bugzilla.redhat.com/show_bug.cgi?id=2432681 REPORT
https://access.redhat.com/errata/RHSA-2026:61887 ADVISORY
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Rocky Linux:10",
        "name": "kernel",
        "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10\u0026epoch=0"
      },
      "ranges": [
        {
          "database_specific": {
            "yum_repository": "BaseOS"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0:6.12.0-211.50.1.el10_2"
            }
          ],
          "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-2026:61887"
  },
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: seccomp: passthrough uretprobe systemcall without filtering (CVE-2025-21834)\n\n* kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003)\n\n* kernel: netfilter: nf_tables: Fix for duplicate device in netdev hooks (CVE-2026-43454)\n\n* kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450)\n\n* kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970)\n\n* kernel: ip6_gre: Use cached t-\u003enet in ip6erspan_changelink() (CVE-2026-46120)\n\n* kernel: iommu/amd: Fix clone_alias() to use the original device\u0027s devid (CVE-2026-53053)\n\n* kernel: NFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg (CVE-2026-53026)\n\n* kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)\n\n* kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info() (CVE-2026-53196)\n\n* kernel: mm/huge_memory: update file PMD counter before folio_put() (CVE-2026-53189)\n\n* kernel: mm/list_lru: drain before clearing xarray entry on reparent (CVE-2026-53153)\n\n* kernel: pNFS: Fix use-after-free in pnfs_update_layout() (CVE-2026-63800)\n\n* kernel: nfsd: fix posix_acl leak on SETACL decode failure (CVE-2026-53397)\n\n* kernel: nfsd: release layout stid on setlease failure (CVE-2026-53399)\n\n* kernel: NFSv4/flexfiles: reject zero filehandle version count (CVE-2026-53392)\n\n* kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (CVE-2026-53391)\n\n* kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access (CVE-2026-64018)\n\n* kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CVE-2026-64136)\n\n* kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)\n\n* kernel: nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CVE-2026-64320)\n\n* kernel: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov() (CVE-2026-64438)\n\n* kernel: crypto: qat - validate RSA CRT component lengths (CVE-2026-64304)\n\n* kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298)\n\n* kernel: ALSA: virtio: Validate control metadata from the device (CVE-2026-64490)\n\n* kernel: mm: shrinker: fix shrinker_info teardown race with expansion (CVE-2026-64418)\n\n* kernel: smb: client: fix change notify replay double-free (CVE-2026-64384)\n\n* kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)\n\n* kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)\n\n* kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480)\n\n* kernel: mm/khugepaged: write all dirty file folios when collapsing (CVE-2026-68086)\n\n* kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation (CVE-2026-68166)\n\n* kernel: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock() (CVE-2026-72069)\n\n* kernel: nvmet-auth: reject short AUTH_RECEIVE buffers (CVE-2026-72130)\n\nBug Fix(es) and Enhancement(s):\n\n* Rocky Linux 10: s390: Revert support for DCACHE_WORD_ACCESS [rhel-10.2.z] (JIRA:Rocky Linux-188180)\n\n* qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-10.2.z] (JIRA:Rocky Linux-193043)\n\n* ss core dumped when there is an SCTP session [rhel-10.2.z] (JIRA:Rocky Linux-212393)\n\n* [Rocky Linux-10.2.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:Rocky Linux-218627)\n\n* Rocky Linux10.0 - s390/pfault: Fix virtual vs physical address confusion [rhel-10.2.z] (JIRA:Rocky Linux-222507)\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-2026:61887",
  "modified": "2026-09-04T00:13:02.939284Z",
  "published": "2026-09-02T18:08:30.302908Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://errata.rockylinux.org/RLSA-2026:61887"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492735"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502889"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507208"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502527"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516248"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492788"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507277"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507301"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516448"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502239"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502260"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468145"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507061"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507285"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482006"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492454"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492750"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507119"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468228"
    },
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      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502227"
    },
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507290"
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482614"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492790"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492310"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507118"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507287"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2350398"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502240"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513141"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508363"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432681"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:61887"
    }
  ],
  "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-2025-21834",
    "CVE-2026-23003",
    "CVE-2026-43450",
    "CVE-2026-43454",
    "CVE-2026-45970",
    "CVE-2026-46120",
    "CVE-2026-53026",
    "CVE-2026-53053",
    "CVE-2026-53153",
    "CVE-2026-53185",
    "CVE-2026-53189",
    "CVE-2026-53196",
    "CVE-2026-53391",
    "CVE-2026-53392",
    "CVE-2026-53397",
    "CVE-2026-53399",
    "CVE-2026-63800",
    "CVE-2026-64018",
    "CVE-2026-64136",
    "CVE-2026-64189",
    "CVE-2026-64276",
    "CVE-2026-64277",
    "CVE-2026-64298",
    "CVE-2026-64304",
    "CVE-2026-64320",
    "CVE-2026-64384",
    "CVE-2026-64418",
    "CVE-2026-64438",
    "CVE-2026-64490",
    "CVE-2026-68086",
    "CVE-2026-68166",
    "CVE-2026-68480",
    "CVE-2026-72069",
    "CVE-2026-72130"
  ]
}



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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

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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • 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.


Detection rules are retrieved from Rulezet.