In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3156-1 advisory.

    The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues

    The following security issues were fixed:

    - CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock (bsc#1264484).
    - CVE-2026-46052: ceph: only d_add() negative dentries when they are unhashed (bsc#1267494).
    - CVE-2026-46071: KVM: nSVM: Avoid clearing VMCB_LBR in vmcb12 (bsc#1267591).
    - CVE-2026-46076: KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1 (bsc#1267365).
    - CVE-2026-46116: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (bsc#1267369).
    - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267722).
    - CVE-2026-46229: drm/amdkfd: Clear VRAM on allocation to prevent stale data exposure (bsc#1267567).
    - CVE-2026-46242: eventpoll: Fix integer overflow in ep_loop_check_proc() (bsc#1267618).
    - CVE-2026-46253: pstore/ram: fix buffer overflow in persistent_ram_save_old() (bsc#1267635).
    - CVE-2026-46266: inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (bsc#1267684).
    - CVE-2026-46289: lib/scatterlist: fix length calculations in extract_kvec_to_sg (bsc#1267966).
    - CVE-2026-46319: net/sched: act_ct: Only release RCU read lock after ct_ft (bsc#1268022).
    - CVE-2026-46320: tap: free page on error paths in tap_get_user_xdp() (bsc#1267993).
    - CVE-2026-46330: Revert 'net/smc: Introduce TCP ULP support' (bsc#1268049).
    - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268660).
    - CVE-2026-52918: Bluetooth: serialize accept_q access (bsc#1269100).
    - CVE-2026-52923: ipc: limit next_id allocation to the valid ID range (bsc#1269033).
    - CVE-2026-52924: sctp: purge outqueue on stale COOKIE-ECHO handling (bsc#1269036).
    - CVE-2026-52933: io_uring/poll: fix signed comparison in io_poll_get_ownership() (bsc#1268989).
    - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269022).
    - CVE-2026-52955: libceph: Fix potential out-of-bounds access in crush_decode() (bsc#1269159).
    - CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt() (bsc#1269172).
    - CVE-2026-52958: libceph: Fix potential out-of-bounds access in osdmap_decode() (bsc#1269174).
    - CVE-2026-52969: KVM: Reject wrapped offset in kvm_reset_dirty_gfn() (bsc#1269184).
    - CVE-2026-52972: crypto: af_alg - Cap AEAD AD length to 0x80000000 (bsc#1269195).
    - CVE-2026-52993: tipc: fix double-free in tipc_buf_append() (bsc#1269193).
    - CVE-2026-53016: crypto: ccp - copy IV using skcipher ivsize (bsc#1269090).
    - CVE-2026-53041: ocfs2: fix listxattr handling when the buffer is full (bsc#1269398).
    - CVE-2026-53052: ASoC: qcom: qdsp6: topology: check widget type before accessing data (bsc#1269314).
    - CVE-2026-53053: iommu/amd: Fix clone_alias() to use the original device's devid (bsc#1269310).
    - CVE-2026-53071: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (bsc#1269678).
    - CVE-2026-53072: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER (bsc#1269681).
    - CVE-2026-53133: RDMA/umem: Fix truncation for block sizes >= 4G (bsc#1269821).
    - CVE-2026-53178: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction     (bsc#1269795).
    - CVE-2026-53182: wifi: nl80211: reject oversized EMA RNR lists (bsc#1269884).
    - CVE-2026-53196: USB: serial: io_ti: fix heap overflow in get_manuf_info() (bsc#1269986).
    - CVE-2026-53253: Bluetooth: bnep: fix incorrect length parsing in bnep_rx_frame() extension handling     (bsc#1269574).
    - CVE-2026-53256: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (bsc#1269993).
    - CVE-2026-53357: Bluetooth: fix UAF in l2cap_sock_cleanup_listen() vs l2cap_conn_del() (bsc#1270257).
    - CVE-2026-53359: KVM: x86: Fix shadow paging use-after-free due to unexpected role (bsc#1270059).
    - CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269493).
    - CVE-2026-53366: ipv4: account for fraggap on the paged allocation path (bsc#1271366).

    The following non security issues were fixed:

    - hv_balloon: Simplify data output in hv_balloon_debug_show() (git-fixes).
    - ipv4: account for fraggap on the paged allocation path (git-fixes).
    - ipv6: account for fraggap on the paged allocation path (git-fixes).
    - KVM: x86/mmu: Recover TDP MMU NX huge pages using MMU read lock (bsc#1271050).
    - KVM: x86/mmu: Rename kvm_tdp_mmu_zap_sp() to better indicate its purpose (bsc#1271050).
    - KVM: x86/mmu: Track possible NX huge pages separately for TDP vs. Shadow MMU (bsc#1271050).
    - KVM: x86: Fix shadow paging use-after-free due to unexpected role (git-fixes).
    - loadpin: Prevent SECURITY_LOADPIN_ENFORCE=y without module decompression (jsc#PED-16303).
    - loadpin: remove MODULE_COMPRESS_NONE as it is no longer supported (jsc#PED-16303).
    - module: fix init_module_from_file() error handling (jsc#PED-16303).
    - module: make waiting for a concurrent module loader interruptible (jsc#PED-16303).
    - module: Split modules_install compression and in-kernel decompression (jsc#PED-16303).
    - module: split up 'finit_module()' into init_module_from_file() helper (jsc#PED-16303).
    - module: warn about excessively long module waits (jsc#PED-16303).
    - modules: catch concurrent module loads, treat them as idempotent (jsc#PED-16303).
    - net: mana: Add support for PF device 0x00C1 (bsc#1268237).
    - net: mana: Allocate interrupt context for each EQ when creating vPort (git-fixes).
    - net: mana: Create separate EQs for each vPort (git-fixes).
    - net: mana: Fall back to standard MTU when PF reports adapter_mtu of 0 (git-fixes).
    - net: mana: guard TX wq object destroy with INVALID_MANA_HANDLE check (git-fixes).
    - net: mana: initialize gdma queue id to INVALID_QUEUE_ID (git-fixes).
    - net: mana: Introduce GIC context with refcounting for interrupt management (git-fixes).
    - net: mana: Optimize irq affinity for low vcpu configs (git-fixes).
    - net: mana: Query device capabilities and configure MSI-X sharing for EQs (git-fixes).
    - net: mana: Use GIC functions to allocate global EQs (git-fixes).
    - RDMA/mana_ib: Allocate interrupt contexts on EQs (git-fixes).
    - RDMA/mana_ib: Use ib_get_eth_speed for reporting port speed (git-fixes).
    - scsi: storvsc: Replace symbolic permissions with octal (git-fixes).
    - scsi: target: Fix hexadecimal CHAP_I handling (git-fixes).
    - x86/platform/uv: Expose the uv_hub_type() interface (jsc#PED-16305).
    - x86/tsc: Disable clocksource watchdog checking on recent and future UV platforms (jsc#PED-16305).

Tenable has extracted the preceding description block directly from the SUSE 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.

  - staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure     ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.
    (CVE-2026-53178)

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

ID	Name	Product	Family	Severity
329305	openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21388-1)	Nessus	SuSE Local Security Checks	high
329149	SUSE SLED15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:3166-1)	Nessus	SuSE Local Security Checks	medium
328903	SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2026:3156-1)	Nessus	SuSE Local Security Checks	high
323411	Linux Distros Unpatched Vulnerability : CVE-2026-53178	Nessus	Misc.	high

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