Vulnerability Name:

CVE-2021-38300 (CCN-209449)

Assigned:2021-09-15
Published:2021-09-15
Updated:2023-03-01
Summary:
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-38300

Source: cve@mitre.org
Type: Mailing List, Patch, Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Mailing List, Vendor Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
linux-kernel-cve202138300-priv-esc(209449)

Source: cve@mitre.org
Type: Exploit, Mailing List, Patch, Vendor Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: CCN
Type: Linux Kernel Web site
[PATCH] bpf, mips: Validate conditional branch offsets

Source: CCN
Type: oss-sec Mailing List, Wed, 15 Sep 2021 18:47:16 +0100
[CVE-2021-38300] Linux kernel cBPF JIT compiler for MIPS emits incorrect branches leading to execution of arbitrary Kernel code

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

Source: cve@mitre.org
Type: Third Party Advisory
cve@mitre.org

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

  • * Denotes that component is vulnerable
    BACK
    linux linux kernel -