SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 3.36%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.36% probability · 88th percentile
CISA KEV
Not listed
Weakness
CWE-119
Affected
linux/linux kernel · netapp/hci bootstrap os · netapp/hci management node · netapp/solidfire · netapp/element software
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.