RHEL 8 : kernel-rt (RHSA-2021:1279)
high Nessus Plugin ID 148877
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1279 advisory.- kernel: iscsi: unrestricted access to sessions and handles (CVE-2021-27363)
- kernel: out-of-bounds read in libiscsi module (CVE-2021-27364)
- kernel: heap buffer overflow in the iSCSI subsystem (CVE-2021-27365)
- kernel: Use after free via PI futex state (CVE-2021-3347)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://cwe.mitre.org/data/definitions/122.html
https://cwe.mitre.org/data/definitions/125.html
https://cwe.mitre.org/data/definitions/200.html
https://cwe.mitre.org/data/definitions/250.html
https://cwe.mitre.org/data/definitions/416.html
https://access.redhat.com/security/cve/CVE-2021-3347
https://access.redhat.com/security/cve/CVE-2021-27363
https://access.redhat.com/security/cve/CVE-2021-27364
https://access.redhat.com/security/cve/CVE-2021-27365
https://access.redhat.com/errata/RHSA-2021:1279
https://bugzilla.redhat.com/1922249
https://bugzilla.redhat.com/1930078
Plugin Details
Severity: High
ID: 148877
File Name: redhat-RHSA-2021-1279.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/21/2021
Updated: 10/7/2021
Dependencies: ssh_get_info.nasl, redhat_repos.nasl, linux_alt_patch_detect.nasl
Risk Information
CVSS Score Source: CVE-2021-3347
VPR
Risk Factor: High
Score: 8.4
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.3
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_aus:8.2, cpe:/o:redhat:rhel_e4s:8.2, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 4/20/2021
Vulnerability Publication Date: 1/29/2021
Reference Information
CVE: CVE-2021-3347, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365