CVE-2021-47614

RDMA/irdma: Fix a user-after-free in add_pble_prm

Severity Score

6.7

*CVSS v3.1

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: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE
info list. Add the chunk entry to the PBLE info list only after successful setting of
the SD in irdma_hmc_sd_one.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: RDMA/irdma: corrige un user-after-free en add_pble_prm Cuando falla irdma_hmc_sd_one, el 'fragmento' se libera mientras todavía está en la lista de información de PBLE. Agregue la entrada del fragmento a la lista de información de PBLE solo después de configurar correctamente la SD en irdma_hmc_sd_one.

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix a user-after-free in add_pble_prm When irdma_hmc_sd_one fails, 'chunk' is freed while its still on the PBLE info list. Add the chunk entry to the PBLE info list only after successful setting of the SD in irdma_hmc_sd_one.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-06-19 CVE Reserved
2024-06-19 CVE Published
2024-12-19 CVE Updated
2025-03-29 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (5)

URL	Tag	Source
https://git.kernel.org/stable/c/e8c4dbc2fcacf5a7468d312168bb120c27c38b32	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/11eebcf63e98fcf047a876a51d76afdabc3b8b9b	2021-12-17
https://git.kernel.org/stable/c/1e11a39a82e95ce86f849f40dda0d9c0498cebd9	2021-12-07

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-47614	2022-05-10
https://bugzilla.redhat.com/show_bug.cgi?id=2293265	2022-05-10

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"				>= 5.14 < 5.15.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.14 < 5.15.10"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.14 < 5.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.14 < 5.16"		en		Affected