The CentOS Linux 8.4 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.4:CLSA-2026:1782145985 advisory.

  - Linux kernel CIFS implementation, version 4.9.0 is vulnerable to a relative paths injection in directory     entry lists. (CVE-2019-10220)

  - An issue was discovered in write_tpt_entry in drivers/infiniband/hw/cxgb4/mem.c in the Linux kernel     through 5.3.2. The cxgb4 driver is directly calling dma_map_single (a DMA function) from a stack variable.
    This could allow an attacker to trigger a Denial of Service, exploitable if this driver is used on an     architecture for which this stack/DMA interaction has security relevance. (CVE-2019-17075)

  - The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free. (CVE-2019-7221)

  - This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel     5.14-rc3. An attacker must first obtain the ability to execute low-privileged code on the target system in     order to exploit this vulnerability. The specific flaw exists within the handling of eBPF programs. The     issue results from the lack of proper validation of user-supplied eBPF programs, which can result in a     type confusion condition. An attacker can leverage this vulnerability to escalate privileges and execute     arbitrary code in the context of the kernel. Was ZDI-CAN-14689. (CVE-2021-34866)

  - In the Linux kernel, the following vulnerability has been resolved: kyber: fix out of bounds access when     preempted __blk_mq_sched_bio_merge() gets the ctx and hctx for the current CPU and passes the hctx to
    ->bio_merge(). kyber_bio_merge() then gets the ctx for the current CPU again and uses that to get the     corresponding Kyber context in the passed hctx. However, the thread may be preempted between the two calls     to blk_mq_get_ctx(), and the ctx returned the second time may no longer correspond to the passed hctx.
    This works accidentally most of the time, but it can cause us to read garbage if the second ctx came     from an hctx with more ctx's than the first one (i.e., if ctx->index_hw[hctx->type] > hctx->nr_ctx). This     manifested as this UBSAN array index out of bounds error reported by Jakub: UBSAN: array-index-out-of-     bounds in ../kernel/locking/qspinlock.c:130:9 index 13106 is out of range for type 'long unsigned int     [128]' Call Trace: dump_stack+0xa4/0xe5 ubsan_epilogue+0x5/0x40
    __ubsan_handle_out_of_bounds.cold.13+0x2a/0x34 queued_spin_lock_slowpath+0x476/0x480     do_raw_spin_lock+0x1c2/0x1d0 kyber_bio_merge+0x112/0x180 blk_mq_submit_bio+0x1f5/0x1100     submit_bio_noacct+0x7b0/0x870 submit_bio+0xc2/0x3a0 btrfs_map_bio+0x4f0/0x9d0     btrfs_submit_data_bio+0x24e/0x310 submit_one_bio+0x7f/0xb0 submit_extent_page+0xc4/0x440
    __extent_writepage_io+0x2b8/0x5e0 __extent_writepage+0x28d/0x6e0 extent_write_cache_pages+0x4d7/0x7a0     extent_writepages+0xa2/0x110 do_writepages+0x8f/0x180 __writeback_single_inode+0x99/0x7f0     writeback_sb_inodes+0x34e/0x790 __writeback_inodes_wb+0x9e/0x120 wb_writeback+0x4d2/0x660     wb_workfn+0x64d/0xa10 process_one_work+0x53a/0xa80 worker_thread+0x69/0x5b0 kthread+0x20b/0x240     ret_from_fork+0x1f/0x30 Only Kyber uses the hctx, so fix it by passing the request_queue to ->bio_merge()     instead. BFQ and mq-deadline just use that, and Kyber can map the queues itself to avoid the mismatch.
    (CVE-2021-46984)

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 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:25218 advisory.

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

    Security Fix(es):

    * kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)

    * kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)

    * kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)

    * kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id (CVE-2025-68724)

    * kernel: iommu: disable SVA when CONFIG_X86 is set (CVE-2025-71089)

    * kernel: libceph: make decode_pool() more resilient against corrupted osdmaps (CVE-2025-71116)

    * kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done() (CVE-2026-22984)

    * kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CVE-2026-22990)

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

    * kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (CVE-2026-23455)

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

    * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110)

    * kernel: netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190)

    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.

An update of the linux package has been released.

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26462 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)

    * kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)

    * kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)

    * kernel: nbd: defer config unlock in nbd_genl_connect (CVE-2025-68366)

    * kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id (CVE-2025-68724)

    * kernel: iommu: disable SVA when CONFIG_X86 is set (CVE-2025-71089)

    * kernel: libceph: make decode_pool() more resilient against corrupted osdmaps (CVE-2025-71116)

    * kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done() (CVE-2026-22984)

    * kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CVE-2026-22990)

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

    * kernel: netfilter: nf_tables: release flowtable after rcu grace period on error (CVE-2026-23392)

    * kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() (CVE-2026-23455)

    * kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets (CVE-2026-31685)

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

    * kernel: wifi: brcmfmac: validate bsscfg indices in IF events (CVE-2026-43110)

    * kernel: netfilter: xt_tcpmss: check remaining length before reading optlen (CVE-2026-43190)

    * kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks (CVE-2026-43158)

    * kernel: mm/page_alloc: clear page->private in free_pages_prepare() (CVE-2026-43303)

    * kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions (CVE-2026-46243)

    * kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227)

    * kernel: wifi: mac80211: remove station if connection prep fails (CVE-2026-46125)

    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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
301595	EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-1244)	Nessus	Huawei Local Security Checks	2026/3/10	2026/3/10	high
360976	CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.4:CLSA-2026:1782145985)	Nessus	CentOS Local Security Checks	2026/10/1	2026/10/1	high
348098	EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2026-3511)	Nessus	Huawei Local Security Checks	2026/9/18	2026/10/22	critical
320635	RHEL 9 : kernel (RHSA-2026:25218)	Nessus	Red Hat Local Security Checks	2026/6/11	2026/6/11	high
332386	Photon OS 5.0: Linux PHSA-2026-5.0-92-0842	Nessus	PhotonOS Local Security Checks	2026/8/5	2026/8/22	high
321327	RHEL 9 : kernel-rt (RHSA-2026:26462)	Nessus	Red Hat Local Security Checks	2026/6/17	2026/6/17	high

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