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

  - RDMA/irdma: Fix double free related to rereg_user_mr If IB_MR_REREG_TRANS is set during rereg_user_mr, the     umem will be released and a new one will be allocated in irdma_rereg_mr_trans. If any step of     irdma_rereg_mr_trans fails after the new umem is allocated, it releases the umem, but does not set     iwmr->region to NULL. The problem is that this failure is propagated to the user, who will then call     ibv_dereg_mr (as they should). Then, the dereg_mr path will see a non-NULL umem and attempt to call     ib_umem_release again. Fix this by setting iwmr->region to NULL after ib_umem_release. Fixed: 5ac388db27c4     (RDMA/irdma: Add support to re-register a memory region) (CVE-2026-43120)

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

An update of the linux package has been released.

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2857-1 advisory.

    This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.28 fixes various security issues

    The following security issues were fixed:

    - CVE-2025-71089: iommu: disable SVA when CONFIG_X86 is set (bsc#1256615).
    - CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260524).
    - CVE-2026-31505: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats() (bsc#1263094).
    - CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262759).
    - CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel() (bsc#1263118).
    - CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (bsc#1263177).
    - CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670).
    - CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release (bsc#1264094).
    - CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253).
    - CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect cleanup (bsc#1264252).
    - CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (bsc#1265197).
    - CVE-2026-43120: RDMA/irdma: Fix double free related to rereg_user_mr (bsc#1264567).
    - CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264849).
    - CVE-2026-43366: io_uring/kbuf: check if target buffer list is still legacy on recycle (bsc#1265117).
    - CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265127).
    - CVE-2026-43494: RDS zerocopy attack aka PinTheft (bsc#1265945).
    - CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266015).
    - CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206).
    - CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink() (bsc#1267893).
    - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723).
    - CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698).
    - CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265).
    - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662).
    - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023).
    - CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269495).

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 remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2945-1 advisory.

    This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.109 fixes various security issues

    The following security issues were fixed:

    - CVE-2026-23393: bridge: cfm: Fix race condition in peer_mep deletion (bsc#1260524).
    - CVE-2026-31505: iavf: fix out-of-bounds writes in iavf_get_ethtool_stats() (bsc#1263094).
    - CVE-2026-31533: net/tls: fix use-after-free in -EBUSY error path of tls_do_encryption (bsc#1262759).
    - CVE-2026-31570: can: gw: fix OOB heap access in cgw_csum_crc8_rel() (bsc#1263118).
    - CVE-2026-31586: mm: blk-cgroup: fix use-after-free in cgwb_release_workfn() (bsc#1263177).
    - CVE-2026-31685: netfilter: ip6t_eui64: reject invalid MAC header for all packets (bsc#1263670).
    - CVE-2026-31758: usb: usbtmc: Flush anchored URBs in usbtmc_release (bsc#1264094).
    - CVE-2026-43025: netfilter: ctnetlink: ignore explicit helper on new expectations (bsc#1264253).
    - CVE-2026-43027: netfilter: nf_conntrack_helper: pass helper to expect cleanup (bsc#1264252).
    - CVE-2026-43037: ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (bsc#1265197).
    - CVE-2026-43120: RDMA/irdma: Fix double free related to rereg_user_mr (bsc#1264567).
    - CVE-2026-43190: netfilter: xt_tcpmss: check remaining length before reading optlen (bsc#1264849).
    - CVE-2026-43366: io_uring/kbuf: check if target buffer list is still legacy on recycle (bsc#1265117).
    - CVE-2026-43437: ALSA: pcm: fix use-after-free on linked stream runtime in snd_pcm_drain() (bsc#1265127).
    - CVE-2026-43494: RDS zerocopy attack aka PinTheft (bsc#1265945).
    - CVE-2026-43501: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows (bsc#1266015).
    - CVE-2026-45970: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (bsc#1267206).
    - CVE-2026-46120: ip6_gre: Use cached t->net in ip6erspan_changelink() (bsc#1267893).
    - CVE-2026-46173: exit: prevent preemption of oopsing TASK_DEAD task (bsc#1267723).
    - CVE-2026-46227: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (bsc#1267698).
    - CVE-2026-46243: smb: client: reject userspace cifs.spnego descriptions (CIFSwitch) (bsc#1266265).
    - CVE-2026-52909: ip6_vti: set netns_immutable on the fallback device (bsc#1268662).
    - CVE-2026-52943: net: skbuff: fix missing zerocopy reference in pskb_carve helpers (bsc#1269023).
    - CVE-2026-53362: ipv6: account for fraggap on the paged allocation path (bsc#1269495).

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.

ID	Name	Product	Family	Published	Updated	Severity
312631	Linux Distros Unpatched Vulnerability : CVE-2026-43120	Nessus	Misc.	5/6/2026	11/11/2026	high
333798	Photon OS 5.0: Linux PHSA-2026-5.0-92-0849	Nessus	PhotonOS Local Security Checks	8/10/2026	11/2/2026	high
326698	SUSE SLES15 Security Update : kernel RT (Live Patch 8 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:2857-1)	Nessus	SuSE Local Security Checks	7/14/2026	9/2/2026	high
326946	SUSE SLES15: kernel-livepatch-6_4_0-150600_23_109-default / etc (SUSE-SU-2026:2945-1)	Nessus	SuSE Local Security Checks	7/15/2026	9/2/2026	high
340680	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-8665-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	11/11/2026	high
324048	SUSE SLED15 / SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:2238-1)	Nessus	SuSE Local Security Checks	7/1/2026	10/29/2026	high

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