CVE-2021-47166

MEDIUM

Linux Kernel 4.0-4.4.271 - Out-of-bounds Write in NFS pg_bytes_written Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() The value of mirror->pg_bytes_written should only be updated after a successful attempt to flush out the requests on the list.

References (8)

Core 8

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 14.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (20)
Linux/Linux < 4.0
Linux/Linux 4.0
Linux/Linux 4.14.235 - 4.14.*
Linux/Linux 4.19.193 - 4.19.*
Linux/Linux 4.4.271 - 4.4.*
Linux/Linux 4.9.271 - 4.9.*
Linux/Linux 5.10.42 - 5.10.*
Linux/Linux 5.12.9 - 5.12.*
Linux/Linux 5.13
Linux/Linux 5.4.124 - 5.4.*
... and 10 more
Published Mar 25, 2024
Tracked Since Feb 18, 2026