CVE-2022-4379

2023-01-1000:00:00

ubuntu.com

vulnerability

use-after-free

nfs42_ssc_open

linux

remote denial

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

56.8%

JSON

A use-after-free vulnerability was found in __nfs42_ssc_open() in
fs/nfs/nfs4file.c in the Linux kernel. This flaw allows an attacker to
conduct a remote denial

Notes

Author	Note
cascardo	prioritizing as Medium as nfsd parameter inter_copy_offload_enable is off by default.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchlinux< 5.15.0-67.74UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-35.36UNKNOWN
ubuntu23.04noarchlinux< 6.1.0-14.14UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1031.35UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1020.21UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1031.35~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1034.41UNKNOWN
ubuntu22.10noarchlinux-azure< 5.19.0-1021.22UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1034.41~20.04.1UNKNOWN
ubuntu22.04noarchlinux-azure-5.19< 5.19.0-1021.22~22.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	22.04	noarch	linux	< 5.15.0-67.74	UNKNOWN
ubuntu	22.10	noarch	linux	< 5.19.0-35.36	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.1.0-14.14	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1031.35	UNKNOWN
ubuntu	22.10	noarch	linux-aws	< 5.19.0-1020.21	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1031.35~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1034.41	UNKNOWN
ubuntu	22.10	noarch	linux-azure	< 5.19.0-1021.22	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< 5.15.0-1034.41~20.04.1	UNKNOWN
ubuntu	22.04	noarch	linux-azure-5.19	< 5.19.0-1021.22~22.04.1	UNKNOWN