Vulnerability Name:

CVE-2023-0394 (CCN-245058)

Assigned:2023-01-17
Published:2023-01-17
Updated:2023-05-03
Summary:Linux Kernel s vulnerable to a denial of service, caused by a NULL pointer dereference flaw in the rawv6_push_pending_frames function in net/ipv6/raw.c. By sending a specially-crafted request, a remote authenticated attacker could exploit this vulnerability to cause the system to crash.
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
4.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H)
4.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2023-0394

Source: XF
Type: UNKNOWN
linux-kernel-cve20230394-dos(245058)

Source: CCN
Type: Linux Kernel GIT Repository
ipv6: raw: Deduct extension header length in rawv6_push_pending_frames

Source: secalert@redhat.com
Type: Mailing List, Patch, Vendor Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: CCN
Type: OSS Mailing List, Tue, 17 Jan 2023 23:11:09 -0700
null pointer dereference in Linux kernel

Source: CCN
Type: OSS Mailing List, Thu, 19 Jan 2023 01:56:46 +0530
Re: null pointer dereference in Linux kernel

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.19:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.4:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.10:-:*:*:*:*:*:*
  • OR cpe:/a:linux:linux_kernel:5.15:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:6.1:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8187
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2023-06-15
    oval:org.opensuse.security:def:55533
    P
    		Security update for the Linux Kernel (Important)
    2023-04-18
    oval:org.opensuse.security:def:55537
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2023-04-18
    BACK
    linux linux kernel 4.19
    linux linux kernel 5.4
    linux linux kernel 5.10 -
    linux linux kernel 5.15 -
    linux linux kernel 6.1 -