In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: Fix for duplicate device in netdev hooks When handling NETDEV_REGISTER notification, duplicate device registration must be avoided since the device may have been added by nft_netdev_hook_alloc() already when creating the hook.

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:61887 advisory.

    * 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)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:61887 advisory.

    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):

    * RHEL 10: s390: Revert support for DCACHE_WORD_ACCESS [rhel-10.2.z] (JIRA:RHEL-188180)

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

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

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

    * RHEL10.0 - s390/pfault: Fix virtual vs physical address confusion [rhel-10.2.z] (JIRA:RHEL-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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - netfilter: nf_tables: Fix for duplicate device in netdev hooks When handling NETDEV_REGISTER notification,     duplicate device registration must be avoided since the device may have been added by     nft_netdev_hook_alloc() already when creating the hook. (CVE-2026-43454)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
342520	RockyLinux 10 : kernel (RLSA-2026:61887)	Nessus	Rocky Linux Local Security Checks	Local	high
342234	RHEL 10 : kernel (RHSA-2026:61887)	Nessus	Red Hat Local Security Checks	Local	high
313467	Linux Distros Unpatched Vulnerability : CVE-2026-43454	Nessus	Misc.	Local	high
311340	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1596)	Nessus	Amazon Linux Local Security Checks	Local	high

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