The version of kernel installed on the remote host is prior to 5.10.157-139.675. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2022-024 advisory.

    2024-02-01: CVE-2022-47946 was added to this advisory.

    A flaw was found in the Linux kernel. A denial of service flaw may occur if there is a consecutive request     of the NVME_IOCTL_RESET and the NVME_IOCTL_SUBSYS_RESET through the device file of the driver, resulting     in a PCIe link disconnect. (CVE-2022-3169)

    An incorrect TLB flush issue was found in the Linux kernel's GPU i915 kernel driver, potentially     leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system     or escalate their privileges on the system. (CVE-2022-4139)

    An issue was discovered in the Linux kernel 5.10.x before 5.10.155. A use-after-free in io_sqpoll_wait_sq     in fs/io_uring.c allows an attacker to crash the kernel, resulting in denial of service. finish_wait can     be skipped. An attack can occur in some situations by forking a process and then quickly terminating it.
    NOTE: later kernel versions, such as the 5.15 longterm series, substantially changed the implementation of     io_sqpoll_wait_sq. (CVE-2022-47946)

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.

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - In (TBD) of (TBD), there is a possible way to corrupt kernel memory due to a use after free. This could     lead to local escalation of privilege with no additional execution privileges needed. User interaction is     not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-220738351References:
    Upstream kernel (CVE-2022-20568)

  - A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks.
    L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines or IBPB after     running L2 due to KVM (L0) advertising eIBRS support to L1. An attacker at L2 with code execution can     execute code on an indirect branch on the host machine. We recommend upgrading to Kernel 6.2 or past     commit 2e7eab81425a (CVE-2022-2196)

  - An issue was discovered in the Linux kernel through 5.16-rc6. free_charger_irq() in     drivers/power/supply/wm8350_power.c lacks free of WM8350_IRQ_CHG_FAST_RDY, which is registered in     wm8350_init_charger(). (CVE-2022-3111)

  - A use-after-free flaw was found in the Linux kernel's SGI GRU driver in the way the first     gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the     gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate     their privileges on the system. (CVE-2022-3424)

  - A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card     system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could     allow a local user to crash the system. (CVE-2022-3707)

  - In drivers/media/dvb-core/dmxdev.c in the Linux kernel through 5.19.10, there is a use-after-free caused     by refcount races, affecting dvb_demux_open and dvb_dmxdev_release. (CVE-2022-41218)

  - A flaw incorrect access control in the Linux kernel USB core subsystem was found in the way user attaches     usb device. A local user could use this flaw to crash the system. (CVE-2022-4662)

  - There exists a use-after-free vulnerability in the Linux kernel through io_uring and the IORING_OP_SPLICE     operation. If IORING_OP_SPLICE is missing the IO_WQ_WORK_FILES flag, which signals that the operation     won't use current->nsproxy, so its reference counter is not increased. This assumption is not always true     as calling io_splice on specific files will call the get_uts function which will use current->nsproxy     leading to invalidly decreasing its reference counter later causing the use-after-free vulnerability. We     recommend upgrading to version 5.10.160 or above (CVE-2022-4696)

  - In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows     an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control     configuration that is set up with 'tc qdisc' and 'tc class' commands. This affects qdisc_graft in     net/sched/sch_api.c. (CVE-2022-47929)

  - An issue was discovered in the Linux kernel 5.10.x before 5.10.155. A use-after-free in io_sqpoll_wait_sq     in fs/io_uring.c allows an attacker to crash the kernel, resulting in denial of service. finish_wait can     be skipped. An attack can occur in some situations by forking a process and then quickly terminating it.
    NOTE: later kernel versions, such as the 5.15 longterm series, substantially changed the implementation of     io_sqpoll_wait_sq. (CVE-2022-47946)

  - A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could     allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to     the root user via arbitrary code execution. (CVE-2023-0179)

  - A NULL pointer dereference flaw was found in rawv6_push_pending_frames in net/ipv6/raw.c in the network     subcomponent in the Linux kernel. This flaw causes the system to crash. (CVE-2023-0394)

  - A use-after-free flaw was found in qdisc_graft in net/sched/sch_api.c in the Linux Kernel due to a race     problem. This flaw leads to a denial of service issue. If patch ebda44da44f6 ('net: sched: fix race     condition in qdisc_graft()') not applied yet, then kernel could be affected. (CVE-2023-0590)

  - In binder_vma_close of binder.c, there is a possible use after free due to improper locking. This could     lead to local escalation of privilege with no additional execution privileges needed. User interaction is     not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-254837884References:
    Upstream kernel (CVE-2023-20928)

  - cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes     indicate a TC_ACT_SHOT condition rather than valid classification results). (CVE-2023-23454)

  - atm_tc_enqueue in net/sched/sch_atm.c in the Linux kernel through 6.1.4 allows attackers to cause a denial     of service because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition     rather than valid classification results). (CVE-2023-23455)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

An update of the linux package has been released.

ID	Name	Product	Family	Published	Updated	Severity
168728	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-024)	Nessus	Amazon Linux Local Security Checks	12/14/2022	12/11/2024	high
175242	EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-1759)	Nessus	Huawei Local Security Checks	5/8/2023	5/8/2023	high
175236	EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-1781)	Nessus	Huawei Local Security Checks	5/7/2023	5/7/2023	high
203369	Photon OS 4.0: Linux PHSA-2022-4.0-0299	Nessus	PhotonOS Local Security Checks	7/23/2024	7/23/2024	high
176821	EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2023-2124)	Nessus	Huawei Local Security Checks	6/7/2023	1/16/2024	high
176860	EulerOS Virtualization 2.11.1 : kernel (EulerOS-SA-2023-2072)	Nessus	Huawei Local Security Checks	6/7/2023	1/16/2024	high

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