Vulnerability Name:

CVE-2021-32078 (CCN-204011)

Assigned:2021-05-05
Published:2021-05-05
Updated:2021-09-20
Summary:An Out-of-Bounds Read was discovered in arch/arm/mach-footbridge/personal-pci.c in the Linux kernel through 5.12.11 because of the lack of a check for a value that shouldn't be negative, e.g., access to element -2 of an array, aka CID-298a58e165e4.
CVSS v3 Severity:7.1 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H)
6.2 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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): High
Integrity (I): None
Availibility (A): High
7.7 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
6.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/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): High
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Complete
6.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2021-32078

Source: XF
Type: UNKNOWN
linux-kernel-cve202132078-info-disc(204011)

Source: CONFIRM
Type: Patch, Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=298a58e165e447ccfaae35fe9f651f9d7e15166f

Source: CCN
Type: Linux Kernel GIT Repository
ARM: footbridge: remove personal server platform

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/298a58e165e447ccfaae35fe9f651f9d7e15166f

Source: MISC
Type: Exploit, Third Party Advisory
https://kirtikumarar.com/CVE-2021-32078.txt

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210813-0002/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.12.11)

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