Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-38201

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.

Published

2021-08-08T20:15:07.147

Last Modified

2024-11-21T06:16:38.697

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.12.19	Yes
Operating System	linux	linux_kernel	< 5.13.4	Yes
Operating System	netapp	hci_bootstrap_os	-	Yes
Hardware	netapp	hci_compute_node	-	No
Application	netapp	hci_management_node	-	Yes
Application	netapp	solidfire	-	Yes
Application	netapp	element_software	-	Yes
Hardware	netapp	hci_storage_node	-	No

References

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing List, Patch, Vendor Advisory ([email protected])
https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c Patch, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory ([email protected])
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4 Mailing List, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/torvalds/linux/commit/6d1c0f3d28f98ea2736128ed3e46821496dc3a8c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210902-0010/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)