CVE-2022-48712

ext4: fix error handling in ext4_fc_record_modified_inode()

Severity Score

4.4

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4_fc_record_modified_inode() Current code does not fully takes care of krealloc() error case, which
could lead to silent memory corruption or a kernel bug. This patch
fixes that. Also it cleans up some duplicated error handling logic from various
functions in fast_commit.c file.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: ext4: corrige el manejo de errores en ext4_fc_record_modified_inode() El código actual no soluciona completamente el caso de error de krealloc(), lo que podría provocar una corrupción silenciosa de la memoria o un error del kernel. Este parche soluciona eso. También limpia alguna lógica de manejo de errores duplicada de varias funciones en el archivo fast_commit.c.

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4_fc_record_modified_inode() Current code does not fully takes care of krealloc() error case, which could lead to silent memory corruption or a kernel bug. This patch fixes that. Also it cleans up some duplicated error handling logic from various functions in fast_commit.c file.

The SUSE Linux Enterprise 15 SP5 Azure kernel was updated to receive various security bug fixes.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-06-20 CVE Reserved
2024-06-20 CVE Published
2025-04-16 EPSS Updated
2025-05-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/62e46e0ffc02daa8fcfc02f7a932cc8a19601b19	2022-02-08
https://git.kernel.org/stable/c/1b6762ecdf3cf12113772427c904aa3c420a1802	2022-02-08
https://git.kernel.org/stable/c/14aa3f49c7fc6424763f4323bfbc3a807b0727dc	2022-02-08
https://git.kernel.org/stable/c/cdce59a1549190b66f8e3fe465c2b2f714b98a94	2022-02-03

URL	Date	SRC

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"				< 5.10.99 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.99"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.22 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.22"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.16.8 Search vendor "Linux" for product "Linux Kernel" and version " < 5.16.8"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.17 Search vendor "Linux" for product "Linux Kernel" and version " < 5.17"		en		Affected