| Vulnerability Name: | CVE-2021-38201 (CCN-207008) |
| Assigned: | 2021-06-13 |
| Published: | 2021-06-13 |
| Updated: | 2021-10-07 |
| Summary: | net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations. |
| CVSS v3 Severity: | 7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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 |
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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 |
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/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): Network
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 |
|
| CVSS v2 Severity: | 5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None | | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial |
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)| Exploitability Metrics: | Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
| | Impact Metrics: | Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete |
|
| Vulnerability Type: | CWE-119
CWE-119
|
| Vulnerability Consequences: | Denial of Service |
| References: | Source: MITRE
Type: CNA
CVE-2021-38201
Source: MISC
Type: Mailing List, Patch, Vendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4
Source: XF
Type: UNKNOWN
linux-kernel-cve202138201-dos(207008)
Source: CCN
Type: Linux Kernel GIT Repository
sunrpc: Avoid a KASAN slab-out-of-bounds bug in xdr_set_page_base()
Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c
Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0010/
Source: CCN
Type: IBM Security Bulletin 6596971 (Spectrum Protect Plus)
Multiple vulnerabilities in Linux Kernel affect IBM Spectrum Protect Plus
|
| Vulnerable Configuration: | Configuration 1:
cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 5.13.4)
Configuration 2:
cpe:/o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*AND cpe:/h:netapp:hci_compute_node:-:*:*:*:*:*:*:*
Configuration 3:
cpe:/a:netapp:hci_management_node:-:*:*:*:*:*:*:*OR cpe:/a:netapp:solidfire:-:*:*:*:*:*:*:*
Configuration 4:
cpe:/a:netapp:element_software:-:*:*:*:*:*:*:*AND cpe:/h:netapp:hci_storage_node:-:*:*:*:*:*:*:*
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 CCN 1:
cpe:/o:linux:linux_kernel:5.13:-:*:*:*:*:*:*AND cpe:/a:ibm:spectrum_protect_plus:10.1.0:*:*:*:*:*:*:*
 Denotes that component is vulnerable |
| Oval Definitions |
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