CVE-2022-1016

kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in the Linux kernel in net/netfilter/nf_tables_core.c:nft_do_chain, which can cause a use-after-free. This issue needs to handle 'return' with proper preconditions, as it can lead to a kernel information leak problem caused by a local, unprivileged attacker.

Se ha encontrado un fallo en el kernel de Linux en el archivo net/netfilter/nf_tables_core.c:nft_do_chain, que puede causar un uso de memoria previamente liberada. Este problema necesita manejar "return" con las precondiciones apropiadas, ya que puede conllevar a un problema de filtrado de información del kernel causado por un atacante local no privilegiado

*Credits: N/A

CVSS Scores

NISTv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-03-17 CVE Reserved
2022-04-21 CVE Published
2023-03-08 EPSS Updated
2024-08-02 CVE Updated
2024-08-02 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-824: Access of Uninitialized Pointer
CWE-909: Missing Initialization of Resource

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
http://blog.dbouman.nl/2022/04/02/How-The-Tables-Have-Turned-CVE-2022-1015-1016	2024-08-02
https://seclists.org/oss-sec/2022/q1/205	2024-08-02

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2022-1016	2023-06-27
https://bugzilla.redhat.com/show_bug.cgi?id=2066614	2023-06-27

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"				<= 3.12 Search vendor "Linux" for product "Linux Kernel" and version " <= 3.12"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 3.13 <= 5.17 Search vendor "Linux" for product "Linux Kernel" and version " >= 3.13 <= 5.17"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				3.13 Search vendor "Linux" for product "Linux Kernel" and version "3.13"		rc1		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"		-		Affected