The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1573-1 advisory.

    The SUSE Linux Enterprise 15 SP7 RT kernel was updated to receive various security bugfixes.


    The following security bugs were fixed:

    - CVE-2025-39998: scsi: target: target_core_configfs: Add length check to avoid buffer overflow     (bsc#1252073).
    - CVE-2025-68794: iomap: adjust read range correctly for non-block-aligned positions (bsc#1256647).
    - CVE-2025-71268: btrfs: fix reservation leak in some error paths when inserting inline extent     (bsc#1259865).
    - CVE-2025-71269: btrfs: do not free data reservation in fallback from inline due to -ENOSPC     (bsc#1259889).
    - CVE-2026-23030: phy: rockchip: inno-usb2: Fix a double free bug in rockchip_usb2phy_probe()     (bsc#1257561).
    - CVE-2026-23047: libceph: make calc_target() set t->paused, not just clear it (bsc#1257682).
    - CVE-2026-23103: ipvlan: Make the addrs_lock be per port (bsc#1257773).
    - CVE-2026-23120: l2tp: avoid one data-race in l2tp_tunnel_del_work() (bsc#1258280).
    - CVE-2026-23136: libceph: reset sparse-read state in osd_fault() (bsc#1258303).
    - CVE-2026-23140: bpf, test_run: Subtract size of xdp_frame from allowed metadata size (bsc#1258305).
    - CVE-2026-23187: pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains (bsc#1258330).
    - CVE-2026-23193: scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()     (bsc#1258414).
    - CVE-2026-23201: ceph: fix oops due to invalid pointer for kfree() in parse_longname() (bsc#1258337).
    - CVE-2026-23215: x86/vmware: Fix hypercall clobbers (bsc#1258476).
    - CVE-2026-23216: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() (bsc#1258447).
    - CVE-2026-23231: netfilter: nf_tables: fix use-after-free in nf_tables_addchain() (bsc#1259188).
    - CVE-2026-23242: RDMA/siw: Fix potential NULL pointer dereference in header processing (bsc#1259795).
    - CVE-2026-23243: RDMA/umad: Reject negative data_len in ib_umad_write (bsc#1259797).
    - CVE-2026-23255: net: add proper RCU protection to /proc/net/ptype (bsc#1259891).
    - CVE-2026-23259: io_uring/rw: free potentially allocated iovec on cache put failure (bsc#1259866).
    - CVE-2026-23270: net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks     (bsc#1259886).
    - CVE-2026-23272: netfilter: nf_tables: unconditionally bump set->nelems before insertion (bsc#1260009).
    - CVE-2026-23274: netfilter: xt_IDLETIMER: reject rev0 reuse of ALARM timer labels (bsc#1260005).
    - CVE-2026-23277: net/sched: teql: fix NULL pointer dereference in iptunnel_xmit on TEQL slave xmit     (bsc#1259997).
    - CVE-2026-23278: netfilter: nf_tables: always walk all pending catchall elements (bsc#1259998).
    - CVE-2026-23281: wifi: libertas: fix use-after-free in lbs_free_adapter() (bsc#1260464).
    - CVE-2026-23292: scsi: target: Fix recursive locking in __configfs_open_file() (bsc#1260500).
    - CVE-2026-23293: net: vxlan: fix nd_tbl NULL dereference when IPv6 is disabled (bsc#1260486).
    - CVE-2026-23317: drm/vmwgfx: Return the correct value in vmw_translate_ptr functions (bsc#1260562).
    - CVE-2026-23319: bpf: Fix a UAF issue in bpf_trampoline_link_cgroup_shim (bsc#1260735).
    - CVE-2026-23361: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry (bsc#1260732).
    - CVE-2026-23379: net/sched: ets: fix divide by zero in the offload path (bsc#1260481).
    - CVE-2026-23381: net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled (bsc#1260471).
    - CVE-2026-23386: gve: fix incorrect buffer cleanup in gve_tx_clean_pending_packets for QPL (bsc#1260799).
    - CVE-2026-23398: icmp: fix NULL pointer dereference in icmp_tag_validation() (bsc#1260730).
    - CVE-2026-23413: clsact: Fix use-after-free in init/destroy rollback asymmetry (bsc#1261498).
    - CVE-2026-23414: tls: Purge async_hold in tls_decrypt_async_wait() (bsc#1261496).
    - CVE-2026-31788: xen/privcmd: restrict usage in unprivileged domU (bsc#1259707).


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.

  - io_uring/rw: free potentially allocated iovec on cache put failure If a read/write request goes through     io_req_rw_cleanup() and has an allocated iovec attached and fails to put to the rw_cache, then it may end     up with an unaccounted iovec pointer. Have io_rw_recycle() return whether it recycled the request or not,     and use that to gauge whether to free a potential iovec or not. (CVE-2026-23259)

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

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1514 advisory.

    In the Linux kernel, the following vulnerability has been resolved:

    btrfs: fix reservation leak in some error paths when inserting inline extent (CVE-2025-71268)

    In the Linux kernel, the following vulnerability has been resolved:

    btrfs: do not free data reservation in fallback from inline due to -ENOSPC (CVE-2025-71269)

    In the Linux kernel, the following vulnerability has been resolved:

    RDMA/umad: Reject negative data_len in ib_umad_write (CVE-2026-23243)

    In the Linux kernel, the following vulnerability has been resolved:

    net: gro: fix outer network offset (CVE-2026-23254)

    In the Linux kernel, the following vulnerability has been resolved:

    net: add proper RCU protection to /proc/net/ptype (CVE-2026-23255)

    In the Linux kernel, the following vulnerability has been resolved:

    io_uring/rw: free potentially allocated iovec on cache put failure (CVE-2026-23259)

    In the Linux kernel, the following vulnerability has been resolved:

    regmap: maple: free entry on mas_store_gfp() failure (CVE-2026-23260)

    In the Linux kernel, the following vulnerability has been resolved:

    io_uring/zcrx: fix page array leak (CVE-2026-23263)

    In the Linux kernel, the following vulnerability has been resolved:

    netfilter: nft_set_rbtree: validate open interval overlap (CVE-2026-23333)

    In the Linux kernel, the following vulnerability has been resolved:

    tracing/dma: Cap dma_map_sg tracepoint arrays to prevent buffer overflow (CVE-2026-23390)

Tenable has extracted the preceding description block directly from the tested product 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	Name	Product	Family	Published	Updated	Severity
310061	SUSE SLES15 Security Update : kernel (SUSE-SU-2026:1573-1)	Nessus	SuSE Local Security Checks	4/24/2026	4/27/2026	high
302963	Linux Distros Unpatched Vulnerability : CVE-2026-23259	Nessus	Misc.	3/18/2026	3/20/2026	high
304298	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1514)	Nessus	Amazon Linux Local Security Checks	3/30/2026	5/2/2026	high
311745	SUSE SLED15 / SLES15 : Recommended update for initial livepatch (SUSE-SU-2026:1661-1)	Nessus	SuSE Local Security Checks	5/2/2026	5/2/2026	high

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