The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9363 advisory.

    - bpf: Fix masking negation logic upon negative dst register (Daniel Borkmann)  [Orabug: 32911990]     {CVE-2021-31829}
    - Bluetooth: verify AMP hci_chan before amp_destroy (Archie Pusaka)  [Orabug: 32912099]  {CVE-2021-33034}
    - net/sctp: fix race condition in sctp_destroy_sock (Or Cohen)   {CVE-2021-23133}
    - nfc: fix memory leak in llcp_sock_connect() (Xiaoming Ni)   {CVE-2020-25672}
    - nfc: fix refcount leak in llcp_sock_connect() (Xiaoming Ni)   {CVE-2020-25671}
    - nfc: fix refcount leak in llcp_sock_bind() (Xiaoming Ni)   {CVE-2020-25670}
    - misc: fastrpc: restrict user apps from sending kernel RPC messages (Dmitry Baryshkov)   {CVE-2019-2308}

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 remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2725 advisory.

    The kernel packages contain the Linux kernel, the core of any Linux operating system.

    Security Fix(es):

    * kernel: size_t-to-int conversion vulnerability in the filesystem layer (CVE-2021-33909)

    * kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)

    * kernel: use-after-free in show_numa_stats function (CVE-2019-20934)

    * kernel: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)

    * kernel: use-after-free in cipso_v4_genopt in net/ipv4/cipso_ipv4.c (CVE-2021-33033)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Bug Fix(es):

    * [RHEL7.9.z] n_tty_open: BUG: unable to handle kernel paging request (BZ#1872778)

    * [ESXi][RHEL7.8]qp_alloc_hypercall result = -20 / Could not attach to queue pair with -20 with     vSphere Fault Tolerance enabled (BZ#1892237)

    * [RHEL7.9][s390x][Regression] Sino Nomine swapgen IBM z/VM emulated DASD with DIAG driver returns     EOPNOTSUPP (BZ#1910395)

    * False-positive hard lockup detected while processing the thread state information (SysRq-T) (BZ#1912221)

    * RHEL7.9 zstream - s390x LPAR with NVMe SSD will panic when it has 32 or more IFL (pci) (BZ#1917943)

    * The NMI watchdog detected a hard lockup while printing RCU CPU stall warning messages to the serial     console (BZ#1924688)

    * nvme hangs when trying to allocate reserved tag (BZ#1926825)

    * [REGRESSION] call into AER handling regardless of severity triggers do_recovery() unnecessarily on     correctable PCIe errors (BZ#1933663)

    * Module nvme_core: A double free  of the kmalloc-512 cache between nvme_trans_log_temperature() and     nvme_get_log_page(). (BZ#1946793)

    * sctp - SCTP_CMD_TIMER_START queues active timer kernel BUG at kernel/timer.c:1000! (BZ#1953052)

    * [Hyper-V][RHEL-7]When CONFIG_NET_POLL_CONTROLLER is set, mainline commit 2a7f8c3b1d3fee is needed     (BZ#1953075)

    * Kernel panic at cgroup_is_descendant (BZ#1957719)

    * [Hyper-V][RHEL-7]Commits To Fix Kdump Failures (BZ#1957803)

    * IGMPv2 JOIN packets incorrectly routed to loopback (BZ#1958339)

    * [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap [7.9.z] (BZ#1960193)

    * mlx4: Fix memory allocation in mlx4_buddy_init needed (BZ#1962406)

    * incorrect assertion on pi_state->pi_mutex.wait_lock from pi_state_update_owner() (BZ#1965495)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-2725 advisory.

    - media: xirlink_cit: add missing descriptor sanity checks (Mark Langsdorf) [1826877] {CVE-2020-11668}
    - Bluetooth: verify AMP hci_chan before amp_destroy (Gopal Tiwari) [1962532] {CVE-2021-33034}
    - sched/fair: Use RCU accessors consistently for ->numa_group (Rafael Aquini) [1915635] {CVE-2019-20934}
    - sched/fair: Don't free p->numa_faults with concurrent readers (Rafael Aquini) [1915635] {CVE-2019-20934}
    - sched/numa: Simplify task_numa_compare() (Rafael Aquini) [1915635] {CVE-2019-20934}
    - sched/numa: Fix task_numa_free() lockdep splat (Rafael Aquini) [1915635] {CVE-2019-20934}
    - sched/numa: Move task_numa_free() to __put_task_struct() (Rafael Aquini) [1915635] {CVE-2019-20934}

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
151689	Oracle Linux 7 / 8 : Unbreakable Enterprise kernel-container (ELSA-2021-9363)	Nessus	Oracle Linux Local Security Checks	2021/7/16	2026/2/9	high
151888	RHEL 7 : kernel (RHSA-2021:2725)	Nessus	Red Hat Local Security Checks	2021/7/21	2024/11/7	high
151926	Oracle Linux 7 : kernel (ELSA-2021-2725)	Nessus	Oracle Linux Local Security Checks	2021/7/22	2026/2/9	high

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