The remote Redhat Enterprise Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:1170 advisory.

    The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with     extremely high determinism requirements.

    Security Fix(es):

    * kernel: Use-after-free vulnerability in DCCP socket (CVE-2017-8824, Important)

    * kernel: v4l2: disabled memory access protection mechanism allowing privilege escalation (CVE-2017-13166,     Important)

    * kernel: Incorrect type conversion for size during dma allocation (CVE-2017-9725, Moderate)

    * kernel: Use-after-free in snd_seq_ioctl_create_port() (CVE-2017-15265, Moderate)

    * kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe     systemwide activity (CVE-2017-17449, Moderate)

    * kernel: netfilter: use-after-free in tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c     (CVE-2017-18017, Moderate)

    * kernel: Stack information leak in the EFS element (CVE-2017-1000410, Moderate)

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

    Red Hat would like to thank Mohamed Ghannam for reporting CVE-2017-8824 and Armis Labs for reporting     CVE-2017-1000410.

    Bug Fix(es):

    * The kernel-rt packages have been upgraded to version 3.10.0-693.25.2.rt56.612, which provides a number     of security and bug fixes over the previous version. (BZ#1549731)

    * Intel Core X-Series (Skylake) processors use a hardcoded Time Stamp Counter (TSC) frequency of 25 MHz.
    In some cases this can be imprecise and lead to timing-related problems such as time drift, timers being     triggered early, or TSC clock instability. This update mitigates these problems by no longer using the     native_calibrate_tsc() function to define the TSC frequency. Refined calibration is now used to update     the clock rate accordingly in these cases. (BZ#1547854)

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 6 : kernel-rt (RHSA-2018:1170)

critical Nessus Plugin ID 109335

Version 1.11

Version 1.10

Version 1.11 Jun 3, 2024, 4:41 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202406031641
Version 1.10 Apr 28, 2024, 3:17 AM CVSSv2 score source (set to "CVE-2017-18017") Detection (updated detection logic) Plugin metadata Reference Plugin Feed: 202404280317