Debian Linux - qemu - None

Ubuntu Linux - [hw/9pfs: cap Treaddir allocation]

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  CVE-2026-9238


The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500220 advisory.

    - tests/9p: add 3 xattr FID limit test cases (local fs driver) (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - tests/9p: add 3 xattr FID limit test cases (synth fs driver) (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - tests/9p: add virtio_9p_add_synth_driver_args() test client function (Christian Schoenebeck) [Orabug:
    39636027] {CVE-2026-8348}
    - tests/9p: increase P9_MAX_SIZE for test client (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - hw/9pfs: add xattr count query interface to fs synth driver (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - hw/9pfs: enable xattr (mockup) support for synth fs driver (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - tests/9p: add Txattrcreate / Rxattrcreate test client functions (Christian Schoenebeck) [Orabug:
    39636027] {CVE-2026-8348}
    - tests/9p: add Tclunk / Rclunk test client functions (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - tests/9p: add Tread / Rread test client functions (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - qemu-options: document 9pfs max_xattr option (Christian Schoenebeck) [Orabug: 39636027] {CVE-2026-8348}
    - hw/9pfs: add max_xattr option (Christian Schoenebeck) [Orabug: 39636027] {CVE-2026-8348}
    - hw/9pfs: add xattr FID limit to prevent memory exhaustion (Christian Schoenebeck) [Orabug: 39636027]     {CVE-2026-8348}
    - hw/9pfs: cap Treaddir allocation (CVE-2026-9238) (Christian Schoenebeck) [Orabug: 39601986]     {CVE-2026-9238}
    - 9pfs/xen: implement response_buffer_size callback (Christian Schoenebeck) [Orabug: 39601986]     {CVE-2026-9238}
    - 9pfs/virtio: implement response_buffer_size callback (Christian Schoenebeck) [Orabug: 39601986]     {CVE-2026-9238}
    - hw/9pfs: add response_buffer_size transport callback (Christian Schoenebeck) [Orabug: 39601986]     {CVE-2026-9238}
    - hw/9pfs: cap negotiated msize to transport limit (Christian Schoenebeck) [Orabug: 39601986]     {CVE-2026-9238}
    - 9pfs/xen: implement msize_limit callback (Christian Schoenebeck) [Orabug: 39601986] {CVE-2026-9238}
    - 9pfs/virtio: implement msize_limit callback (Christian Schoenebeck) [Orabug: 39601986] {CVE-2026-9238}
    - hw/9pfs: add msize_limit transport callback (Christian Schoenebeck) [Orabug: 39601986] {CVE-2026-9238}
    - 9pfs: fix missing rename lock in v9fs_co_readdir_many (CVE-2026-48004) (sin99xx) [Orabug: 39478419]     {CVE-2026-48004}
    - tests/qtest/libqos: add qvirtqueue_reset_pool() for descriptor pool reset (Christian Schoenebeck)     [Orabug: 39636027] {CVE-2026-8348}
    - libvduse: fix buffer overflow in vduse_queue_read_indirect_desc() (Stefano Garzarella) [Orabug:
    39447322] {CVE-2026-6425}
    - libvhost-user: fix buffer overflow in virtqueue_read_indirect_desc() (Stefano Garzarella) [Orabug:
    39447322] {CVE-2026-6425}
    - virtio-blk: add missing VIRTIO_BLK_T_SCSI_CMD size check (CVE-2026-48914) (Stefan Hajnoczi) [Orabug:
    39522394] {CVE-2026-48914}
    - ui: fix validation of VNC extended clipboard data length (Heechan Kang) [Orabug: 39442988]     {CVE-2026-8343}
    - ui/vnc: fix OOB read updating VNC update frequency stats (Daniel P. Berrange) [Orabug: 39447326]     {CVE-2026-48003}
    - ui/vnc: fix OOB write in lossy rect worker code (Daniel P. Berrange) [Orabug: 39447332] {CVE-2026-48002}
    - ui/vnc: fix OOB write in VNC stats array (Daniel P. Berrange) [Orabug: 39447332] {CVE-2026-48002}
    - lsi53c895a: keep a reference to the device while SCRIPTS execute (Paolo Bonzini) [Orabug: 37517793]     {CVE-2024-6519}
    - hw/scsi/lsi53c895a: fix memory leak in lsi_scsi_realize() (Zheng Huang) [Orabug: 37517793]     {CVE-2024-6519}
    - hw/scsi/lsi53c895a: bump instruction limit in scripts processing to fix regression (Fiona Ebner)     [Orabug: 37517793] {CVE-2024-6519}
    - hw/scsi/lsi53c895a: add timer to scripts processing (Sven Schnelle) [Orabug: 37517793] {CVE-2024-6519}
    - virtio-scsi: pass the same cdb_size to virtio_scsi_pop_req and virtio_scsi_handle_cmd_req_prepare (Paolo     Bonzini) [Orabug: 39414097] {CVE-2026-5763}
    - softmmu: Support concurrent bounce buffers (Mattias Nissler) [Orabug: 37509310] {CVE-2024-8612}
    - system/physmem: Per-AddressSpace bounce buffering (Mattias Nissler) [Orabug: 37509310] {CVE-2024-8612}
    - system/physmem: Propagate AddressSpace to MapClient helpers (Mattias Nissler) [Orabug: 37509310]     {CVE-2024-8612}

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

  - Debian Linux - qemu - None  Ubuntu Linux - [hw/9pfs: cap Treaddir allocation] (CVE-2026-9238)

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

ID	Name	Product	Family	Type	Severity
461944	Echo: qemu: security update to 1:10.0.12+ds-0+deb13u1	Tenable Cloud Security	Echo Local Security Checks	Local	high
461944	Echo: qemu: security update to 1:10.0.12+ds-0+deb13u1	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
339119	Oracle Linux 9 : qemu-kvm (ELSA-2026-500220)	Nessus	Oracle Linux Local Security Checks	Local	high
330030	Linux Distros Unpatched Vulnerability : CVE-2026-9238	Nessus	Misc.	Local	medium

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