EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-2642)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(326639);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/07/14");

  script_cve_id(
    "CVE-2022-50697",
    "CVE-2022-50885",
    "CVE-2023-54087",
    "CVE-2023-54186",
    "CVE-2023-54211",
    "CVE-2023-54283",
    "CVE-2023-54294",
    "CVE-2023-54314",
    "CVE-2025-71087",
    "CVE-2026-23003",
    "CVE-2026-23054",
    "CVE-2026-23243",
    "CVE-2026-31449",
    "CVE-2026-31450",
    "CVE-2026-31586",
    "CVE-2026-31588",
    "CVE-2026-31673",
    "CVE-2026-31674",
    "CVE-2026-31678",
    "CVE-2026-31682",
    "CVE-2026-31698",
    "CVE-2026-31699",
    "CVE-2026-31708",
    "CVE-2026-31786",
    "CVE-2026-31787",
    "CVE-2026-43033",
    "CVE-2026-43047",
    "CVE-2026-43048",
    "CVE-2026-43077",
    "CVE-2026-43125",
    "CVE-2026-43211",
    "CVE-2026-43281",
    "CVE-2026-43336",
    "CVE-2026-43493",
    "CVE-2026-43503",
    "CVE-2026-46333"
  );

  script_name(english:"EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-2642)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by
the following vulnerabilities :

    mrp: introduce active flags to prevent UAF when applicant uninit(CVE-2022-50697)

    net: skbuff: propagate shared-frag marker through frag-transfer helpers(CVE-2026-43503)

    crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption(CVE-2026-43033)

    PCI: Fix pci_slot_trylock() error handling(CVE-2026-43211)

    HID: multitouch: Check to ensure report responses match the request(CVE-2026-43047)

    HID: core: Mitigate potential OOB by removing bogus memset()(CVE-2026-43048)

    smb: client: fix OOB read in smb2_ioctl_query_info QUERY_INFO path(CVE-2026-31708)

    crypto: pcrypt - Fix handling of MAY_BACKLOG requests(CVE-2026-43493)

    mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()(CVE-2026-31586)

    crypto: algif_aead - Fix minimum RX size check for decryption(CVE-2026-43077)

    ptrace: slightly saner #39;get_dumpable()#39; logic(CVE-2026-46333)

    dlm: validate length in dlm_search_rsb_tree(CVE-2026-43125)

    lib/crypto: chacha: Zeroize permuted_state before it leaves scope(CVE-2026-43336)

    openvswitch: defer tunnel netdev_put to RCU release(CVE-2026-31678)

    mailbox: Prevent out-of-bounds access in fw_mbox_index_xlate()(CVE-2026-43281)

    ext4: validate p_idx bounds in ext4_ext_correct_indexes(CVE-2026-31449)

    af_unix: read UNIX_DIAG_VFS data under unix_state_lock(CVE-2026-31673)

    ext4: publish jinode after initialization(CVE-2026-31450)

    Buffer overflow in drivers/xen/sys-hypervisor.c(CVE-2026-31786)

    xen/privcmd: fix double free via VMA splitting(CVE-2026-31787)

    crypto: ccp: Don#39;t attempt to copy PDH cert to userspace if PSP command failed(CVE-2026-31698)

    crypto: ccp: Don#39;t attempt to copy CSR to userspace if PSP command failed(CVE-2026-31699)

    bridge: br_nd_send: linearize skb before parsing ND options(CVE-2026-31682)

    netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check()(CVE-2026-31674)

    KVM: x86: Use scratch field in MMIO fragment to hold small write values(CVE-2026-31588)

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

    net: hv_netvsc: reject RSS hash key programming without RX indirection table(CVE-2026-23054)

    ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()(CVE-2026-23003)

    md/raid10: fix memleak of md thread(CVE-2023-54294)

    usb: typec: altmodes/displayport: fix pin_assignment_show(CVE-2023-54186)

    RDMA/rxe: Fix NULL-ptr-deref in rxe_qp_do_cleanup() when socket create failed(CVE-2022-50885)

    iavf: fix off-by-one issues in iavf_config_rss_reg()(CVE-2025-71087)

    media: af9005: Fix null-ptr-deref in af9005_i2c_xfer(CVE-2023-54314)

    tracing: Fix warning in trace_buffered_event_disable()(CVE-2023-54211)

    ubi: Fix possible null-ptr-deref in ubi_free_volume()(CVE-2023-54087)

    bpf: Address KCSAN report on bpf_lru_list(CVE-2023-54283)

Tenable has extracted the preceding description block directly from the EulerOS kernel security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2026-2642
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?91e09c37");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-31787");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/07/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/07/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/07/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:bpftool");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-abi-stablelists");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python3-perf");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Huawei Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  exit(0);
}

include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var _release = get_kb_item("Host/EulerOS/release");
if (isnull(_release) || _release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
var uvp = get_kb_item("Host/EulerOS/uvp_version");
if (_release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP10");

var sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(10)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP10");

if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP10", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu && "x86" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "x86" >!< cpu) audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

var flag = 0;

var pkgs = [
  "bpftool-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "kernel-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "kernel-abi-stablelists-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "kernel-tools-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "kernel-tools-libs-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "kernel-tools-libs-devel-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "perf-4.18.0-147.5.2.19.h2010.eulerosv2r10",
  "python3-perf-4.18.0-147.5.2.19.h2010.eulerosv2r10"
];

foreach (var pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"10", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "kernel");
}