CVE-2022-49542

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49542
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Move cfg_log_verbose check before calling lpfc_dmp_dbg() In an attempt to log message 0126 with LOG_TRACE_EVENT, the following hard lockup call trace hangs the system. Call Trace: _raw_spin_lock_irqsave+0x32/0x40 lpfc_dmp_dbg.part.32+0x28/0x220 [lpfc] lpfc_cmpl_els_fdisc+0x145/0x460 [lpfc] lpfc_sli_cancel_jobs+0x92/0xd0 [lpfc] lpfc_els_flush_cmd+0x43c/0x670 [lpfc] lpfc_els_flush_all_cmd+0x37/0x60 [lpfc] lpfc_sli4_async_event_proc+0x956/0x1720 [lpfc] lpfc_do_work+0x1485/0x1d70 [lpfc] kthread+0x112/0x130 ret_from_fork+0x1f/0x40 Kernel panic - not syncing: Hard LOCKUP The same CPU tries to claim the phba->port_list_lock twice. Move the cfg_log_verbose checks as part of the lpfc_printf_vlog() and lpfc_printf_log() macros before calling lpfc_dmp_dbg(). There is no need to take the phba->port_list_lock within lpfc_dmp_dbg().

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/09c772557a4fd9490fed1bfb133268313ea22213 Patch
https://git.kernel.org/stable/c/271725e4028559ae7974d762a8467dc9de412f2e Patch
https://git.kernel.org/stable/c/cc6501afccec55b8b6c90584cbf71f1fefa77d1e Patch
https://git.kernel.org/stable/c/e294647b1aed4247fe52851f3a3b2b19ae906228 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

10 Mar 2025, 21:31

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/09c772557a4fd9490fed1bfb133268313ea22213 - () https://git.kernel.org/stable/c/09c772557a4fd9490fed1bfb133268313ea22213 - Patch
References () https://git.kernel.org/stable/c/271725e4028559ae7974d762a8467dc9de412f2e - () https://git.kernel.org/stable/c/271725e4028559ae7974d762a8467dc9de412f2e - Patch
References () https://git.kernel.org/stable/c/cc6501afccec55b8b6c90584cbf71f1fefa77d1e - () https://git.kernel.org/stable/c/cc6501afccec55b8b6c90584cbf71f1fefa77d1e - Patch
References () https://git.kernel.org/stable/c/e294647b1aed4247fe52851f3a3b2b19ae906228 - () https://git.kernel.org/stable/c/e294647b1aed4247fe52851f3a3b2b19ae906228 - Patch
CWE CWE-667
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: lpfc: Mover la comprobación cfg_log_verbose antes de llamar a lpfc_dmp_dbg() En un intento de registrar el mensaje 0126 con LOG_TRACE_EVENT, el siguiente seguimiento de llamada de bloqueo duro cuelga el sistema. Seguimiento de llamadas: _raw_spin_lock_irqsave+0x32/0x40 lpfc_dmp_dbg.part.32+0x28/0x220 [lpfc] lpfc_cmpl_els_fdisc+0x145/0x460 [lpfc] lpfc_sli_cancel_jobs+0x92/0xd0 [lpfc] lpfc_els_flush_cmd+0x43c/0x670 [lpfc] lpfc_els_flush_all_cmd+0x37/0x60 [lpfc] lpfc_sli4_async_event_proc+0x956/0x1720 [lpfc] lpfc_do_work+0x1485/0x1d70 [lpfc] kthread+0x112/0x130 ret_from_fork+0x1f/0x40 Kernel panic - not syncing: Hard LOCKUP The same CPU tries to claim the phba->port_list_lock twice. Move the cfg_log_verbose checks as part of the lpfc_printf_vlog() and lpfc_printf_log() macros before calling lpfc_dmp_dbg(). There is no need to take the phba->port_list_lock within lpfc_dmp_dbg().
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-10 21:31

NVD link : CVE-2022-49542

Mitre link : CVE-2022-49542

CVE.ORG link : CVE-2022-49542

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-667

Improper Locking