CVE-2022-4379

kernel: use-after-free in __nfs42_ssc_open() in fs/nfs/nfs4file.c leading to remote Denial of Service attack

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

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

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 of service.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-12-09 CVE Reserved
2023-01-10 CVE Published
2024-08-03 CVE Updated
2024-08-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (8)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	Mailing List
https://seclists.org/oss-sec/2022/q4/185	Mailing List

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75333d48f92256a0dec91dbf07835e804fc411c0	2023-06-26
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=aeba12b26c79fc35e07e511f692a8907037d95da	2023-06-26

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LECFVUHKIRBV5JJBE3KQCLGKNYJPBRCN	2023-06-26
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RAVD6JIILAVSRHZ4VXSV3RAAGUXKVXZA	2023-06-26
https://access.redhat.com/security/cve/CVE-2022-4379	2023-03-23
https://bugzilla.redhat.com/show_bug.cgi?id=2152807	2023-03-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.6 < 5.10.177 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.6 < 5.10.177"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.11 < 5.15.105 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.105"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.16 < 6.1.3 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 6.1.3"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected