Vulnerability Name:

CVE-2022-1852 (CCN-227647)

Assigned:2022-05-31
Published:2022-05-31
Updated:2022-10-26
Summary:A NULL pointer dereference flaw was found in the Linux kernel’s KVM module, which can lead to a denial of service in the x86_emulate_insn in arch/x86/kvm/emulate.c. This flaw occurs while executing an illegal instruction in guest in the Intel CPU.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-1852

Source: MISC
Type: Issue Tracking, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2089815

Source: XF
Type: UNKNOWN
linux-kernel-cve20221852-dos(227647)

Source: CCN
Type: Linux Kernel GIT Repository
index : kvm/kvm.git

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/fee060cd52d69c114b62d1a2948ea9648b5131f9

Source: CCN
Type: oss-sec Mailing List, Wed, 1 Jun 2022 00:03:25 +0800 (GMT+08:00)
CVE-2022-1852: Linux Kernel: x86/kvm: NULL pointer dereference in x86_emulate_insn

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-1852

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 5.19)

    • Configuration 2:
  • cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::nfv:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::realtime:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/a:redhat:enterprise_linux:9::nfv:*:*:*:*:*

    • Configuration RedHat 9:
  • cpe:/a:redhat:enterprise_linux:9::realtime:*:*:*:*:*

    • Configuration RedHat 10:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*

    • Configuration RedHat 11:
  • cpe:/a:redhat:enterprise_linux:9::crb:*:*:*:*:*

    • Configuration RedHat 12:
  • cpe:/o:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 13:
  • cpe:/o:redhat:enterprise_linux:9::baseos:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.17:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8029
    P
    		kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:8090
    P
    		reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7539
    P
    		kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20227933
    P
    		RHSA-2022:7933: kernel-rt security and bug fix update (Moderate)
    2022-11-15
    oval:com.redhat.rhsa:def:20228267
    P
    		RHSA-2022:8267: kernel security, bug fix, and enhancement update (Moderate)
    2022-11-15
    oval:com.redhat.rhsa:def:20227683
    P
    		RHSA-2022:7683: kernel security, bug fix, and enhancement update (Moderate)
    2022-11-08
    oval:com.redhat.rhsa:def:20227444
    P
    		RHSA-2022:7444: kernel-rt security and bug fix update (Moderate)
    2022-11-08
    oval:org.opensuse.security:def:3753
    P
    		Security update for the Linux Kernel (Important)
    2022-08-01
    oval:org.opensuse.security:def:95383
    P
    		Security update for the Linux Kernel (Important)
    2022-08-01
    oval:org.opensuse.security:def:627
    P
    		Security update for the Linux Kernel (Important)
    2022-08-01
    oval:org.opensuse.security:def:95427
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:94472
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:93159
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3643
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:95356
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:93837
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:589
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:95273
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:93319
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3705
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:94051
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3783
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:95335
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:93477
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3720
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:95416
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:94263
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3794
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:95350
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    oval:org.opensuse.security:def:93630
    P
    		 (Important)
    2022-07-21
    oval:org.opensuse.security:def:3726
    P
    		Security update for the Linux Kernel (Important)
    2022-07-21
    BACK
    linux linux kernel *
    redhat enterprise linux 8.0
    redhat enterprise linux 9.0
    linux linux kernel 5.17 -