The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3801 advisory.

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

    Security Fix(es):

    * kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)

    * kernel: powerpc: KVM guest OS users can cause host OS memory corruption (CVE-2021-37576)

    * kernel: SVM nested virtualization issue in KVM (AVIC support) (CVE-2021-3653)

    * kernel: SVM nested virtualization issue in KVM (VMLOAD/VMSAVE) (CVE-2021-3656)

    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):

    * Kernel panic due to double fault with DLM reporting for socket error sk_err=32/0 (BZ#1834878)

    * MFW indication via attention message getting logged frequently after every 5 minutes (BZ#1854544)

    * lpfc fails to discovery in pt2pt with 2754 PRLI failure DID:0000EF Status:x9/x91e00, data: x0     (BZ#1922479)

    * pcpu_get_vm_areas using most memory from VmallocUsed (BZ#1970618)

    * RHEL 7.9.z [qedf driver] Racing condition between qedf_cleanup_fcport and releasing command after     timeout (BZ#1982702)

    * [Azure] RHEL 7.9 reports GPU/IB topology incorrectly on some Azure SKUs (BZ#1984128)

    * [stable guest ABI]Hot add CPU after migration cause guest hang (BZ#1991856)

    * i40e driver crash at  RIP: i40e_config_vf_promiscuous_mode+0x165 (BZ#1993850)

    * [nfs] Performance issue since commit 5a4f6f11951e (BZ#1995649)

    * [kernel] Indefinite waiting for RCU callback while removing cgroup (BZ#2000973)

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.

Detections

Analytics

RHEL 7 : kernel (RHSA-2021:3801)

high Nessus Plugin ID 154046

Version 1.10