// For flags

CVE-2021-46963

scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand()

Severity Score

5.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now
allocated by upper layers. This fixes smatch warning of srb unintended
free.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: qla2xxx: Soluciona falla en qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Rastreo de llamadas: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_ directamente+0x128 /0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Se corrigió la llamada incorrecta para liberar srb en qla2xxx_mqueuecommand(), ya que srb ahora está asignado por capas superiores. Esto corrige la advertencia de srb gratuito no deseado.

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash in qla2xxx_mqueuecommand() RIP: 0010:kmem_cache_free+0xfa/0x1b0 Call Trace: qla2xxx_mqueuecommand+0x2b5/0x2c0 [qla2xxx] scsi_queue_rq+0x5e2/0xa40 __blk_mq_try_issue_directly+0x128/0x1d0 blk_mq_request_issue_directly+0x4e/0xb0 Fix incorrect call to free srb in qla2xxx_mqueuecommand(), as srb is now allocated by upper layers. This fixes smatch warning of srb unintended free.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-02-27 CVE Reserved
  • 2024-02-27 CVE Published
  • 2024-12-17 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
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"
>= 4.19.90 < 4.19.191
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19.90 < 4.19.191"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.4.4 < 5.4.118
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.4.4 < 5.4.118"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.5 < 5.10.36
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.36"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.5 < 5.11.20
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.11.20"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.5 < 5.12.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.12.3"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.5 < 5.13
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.13"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
5.3.17
Search vendor "Linux" for product "Linux Kernel" and version "5.3.17"
en
Affected