CVE-2022-48835

scsi: mpt3sas: Page fault in reply q processing

Severity Score

5.5

*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:

scsi: mpt3sas: Page fault in reply q processing

A page fault was encountered in mpt3sas on a LUN reset error path:

[ 145.763216] mpt3sas_cm1: Task abort tm failed: handle(0x0002),timeout(30) tr_method(0x0) smid(3) msix_index(0)
[ 145.778932] scsi 1:0:0:0: task abort: FAILED scmd(0x0000000024ba29a2)
[ 145.817307] scsi 1:0:0:0: attempting device reset! scmd(0x0000000024ba29a2)
[ 145.827253] scsi 1:0:0:0: [sg1] tag#2 CDB: Receive Diagnostic 1c 01 01 ff fc 00
[ 145.837617] scsi target1:0:0: handle(0x0002), sas_address(0x500605b0000272b9), phy(0)
[ 145.848598] scsi target1:0:0: enclosure logical id(0x500605b0000272b8), slot(0)
[ 149.858378] mpt3sas_cm1: Poll ReplyDescriptor queues for completion of smid(0), task_type(0x05), handle(0x0002)
[ 149.875202] BUG: unable to handle page fault for address: 00000007fffc445d
[ 149.885617] #PF: supervisor read access in kernel mode
[ 149.894346] #PF: error_code(0x0000) - not-present page
[ 149.903123] PGD 0 P4D 0
[ 149.909387] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 149.917417] CPU: 24 PID: 3512 Comm: scsi_eh_1 Kdump: loaded Tainted: G S O 5.10.89-altav-1 #1
[ 149.934327] Hardware name: DDN 200NVX2 /200NVX2-MB , BIOS ATHG2.2.02.01 09/10/2021
[ 149.951871] RIP: 0010:_base_process_reply_queue+0x4b/0x900 [mpt3sas]
[ 149.961889] Code: 0f 84 22 02 00 00 8d 48 01 49 89 fd 48 8d 57 38 f0 0f b1 4f 38 0f 85 d8 01 00 00 49 8b 45 10 45 31 e4 41 8b 55 0c 48 8d 1c d0 <0f> b6 03 83 e0 0f 3c 0f 0f 85 a2 00 00 00 e9 e6 01 00 00 0f b7 ee
[ 149.991952] RSP: 0018:ffffc9000f1ebcb8 EFLAGS: 00010246
[ 150.000937] RAX: 0000000000000055 RBX: 00000007fffc445d RCX: 000000002548f071
[ 150.011841] RDX: 00000000ffff8881 RSI: 0000000000000001 RDI: ffff888125ed50d8
[ 150.022670] RBP: 0000000000000000 R08: 0000000000000000 R09: c0000000ffff7fff
[ 150.033445] R10: ffffc9000f1ebb68 R11: ffffc9000f1ebb60 R12: 0000000000000000
[ 150.044204] R13: ffff888125ed50d8 R14: 0000000000000080 R15: 34cdc00034cdea80
[ 150.054963] FS: 0000000000000000(0000) GS:ffff88dfaf200000(0000) knlGS:0000000000000000
[ 150.066715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 150.076078] CR2: 00000007fffc445d CR3: 000000012448a006 CR4: 0000000000770ee0
[ 150.086887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 150.097670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 150.108323] PKRU: 55555554
[ 150.114690] Call Trace:
[ 150.120497] ? printk+0x48/0x4a
[ 150.127049] mpt3sas_scsih_issue_tm.cold.114+0x2e/0x2b3 [mpt3sas]
[ 150.136453] mpt3sas_scsih_issue_locked_tm+0x86/0xb0 [mpt3sas]
[ 150.145759] scsih_dev_reset+0xea/0x300 [mpt3sas]
[ 150.153891] scsi_eh_ready_devs+0x541/0x9e0 [scsi_mod]
[ 150.162206] ? __scsi_host_match+0x20/0x20 [scsi_mod]
[ 150.170406] ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[ 150.178925] ? blk_mq_tagset_busy_iter+0x45/0x60
[ 150.186638] ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[ 150.195087] scsi_error_handler+0x3a5/0x4a0 [scsi_mod]
[ 150.203206] ? __schedule+0x1e9/0x610
[ 150.209783] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod]
[ 150.217924] kthread+0x12e/0x150
[ 150.224041] ? kthread_worker_fn+0x130/0x130
[ 150.231206] ret_from_fork+0x1f/0x30

This is caused by mpt3sas_base_sync_reply_irqs() using an invalid reply_q
pointer outside of the list_for_each_entry() loop. At the end of the full
list traversal the pointer is invalid.

Move the _base_process_reply_queue() call inside of the loop.

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: scsi: mpt3sas: Error de página en respuesta q procesamiento Se encontró un error de página en mpt3sas en una ruta de error de restablecimiento de LUN: [145.763216] mpt3sas_cm1: Error al cancelar la tarea: handle(0x0002) ,timeout(30) tr_method(0x0) smid(3) msix_index(0) [ 145.778932] scsi 1:0:0:0: cancelación de tarea: FALLADO scmd(0x0000000024ba29a2) [ 145.817307] scsi 1:0:0:0: intentando reinicio del dispositivo! scmd(0x0000000024ba29a2) [ 145.827253] scsi 1:0:0:0: [sg1] etiqueta#2 CDB: Recibir diagnóstico 1c 01 01 ff fc 00 [ 145.837617] scsi target1:0:0: handle(0x0002), sas_address(0x500605b0 000272b9 ), phy(0) [ 145.848598] scsi target1:0:0: ID lógico del gabinete (0x500605b0000272b8), slot(0) [ 149.858378] mpt3sas_cm1: sondear las colas de ReplyDescriptor para completar smid(0), task_type(0x05), handle( 0x0002) [149.875202] ERROR: no se puede manejar el error de página para la dirección: 00000007fffc445d [149.885617] #PF: acceso de lectura del supervisor en modo kernel [149.894346] #PF: error_code(0x0000) - página no presente [149.903123] PGD 0 0 [ 149.909387] Ups: 0000 [#1] PREEMPT SMP NOPTI [ 149.917417] CPU: 24 PID: 3512 Comm: scsi_eh_1 Kdump: cargado Contaminado: GSO 5.10.89-altav-1 #1 [ 149.934327] Nombre de hardware: DDN 200NVX2 00NVX2 -MB, BIOS ATHG2.2.02.01 10/09/2021 [149.951871] RIP: 0010:_base_process_reply_queue+0x4b/0x900 [mpt3sas] [149.961889] Código: 0f 84 22 02 00 00 8d 48 01 89f 48 8d 57 38 f0 0f b1 4f 38 0f 85 d8 01 00 00 49 8b 45 10 45 31 e4 41 8b 55 0c 48 8d 1c d0 <0f> b6 03 83 e0 0f 3c 0f 0f 85 a2 00 00 00 e9 e6 01 00 0f b7 ee [ 149.991952] RSP: 0018:ffffc9000f1ebcb8 EFLAGS: 00010246 [ 150.000937] RAX: 0000000000000055 RBX: 00000007fffc445d RCX: 000000002548f071 [ 150.011841] RDX: 00000000ffff8881 RSI: 0000000000000001 RDI: ffff888125ed50d8 [ 150.022670] RBP: 0000000000000000 R08: 0000000000000000 R09 : c0000000ffff7fff [ 150.033445] R10: ffffc9000f1ebb68 R11: ffffc9000f1ebb60 R12: 0000000000000000 [ 150.044204] R13: ffff888125ed50d8 R14: 0000000000000080 R15: cdea80 [ 150.054963] FS: 0000000000000000(0000) GS:ffff88dfaf200000(0000) knlGS:00000000000000000 [ 150.066715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 150.076078] CR2: 00000007fffc445d CR3: 000000012448a006 CR4: 0000000000770ee0 [ 150.086887] DR0: 0000000000 000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 150.097670] DR3: 0000000000000000 DR6: 00000000ffe0ff0 DR7: 0000000000000400 [ 150.10 8323] PKRU: 55555554 [ 150.114690] Llamar Seguimiento: [150.120497]? printk+0x48/0x4a [ 150.127049] mpt3sas_scsih_issue_tm.cold.114+0x2e/0x2b3 [mpt3sas] [ 150.136453] mpt3sas_scsih_issue_locked_tm+0x86/0xb0 [mpt3sas] [ 150.145759] sih_dev_reset+0xea/0x300 [mpt3sas] [ 150.153891] scsi_eh_ready_devs+0x541/0x9e0 [scsi_mod] [150.162206]? __scsi_host_match+0x20/0x20 [scsi_mod] [150.170406]? ¿scsi_try_target_reset+0x90/0x90 [scsi_mod] [150.178925]? blk_mq_tagset_busy_iter+0x45/0x60 [150.186638]? scsi_try_target_reset+0x90/0x90 [scsi_mod] [ 150.195087] scsi_error_handler+0x3a5/0x4a0 [scsi_mod] [ 150.203206] ? __programar+0x1e9/0x610 [ 150.209783] ? scsi_eh_get_sense+0x210/0x210 [scsi_mod] [ 150.217924] kthread+0x12e/0x150 [ 150.224041] ? kthread_worker_fn+0x130/0x130 [ 150.231206] ret_from_fork+0x1f/0x30 Esto se debe a que mpt3sas_base_sync_reply_irqs() utiliza un puntero de respuesta_q no válido fuera del bucle list_for_each_entry(). Al final del recorrido de la lista completa, el puntero no es válido. Mueva la llamada _base_process_reply_queue() dentro del bucle.

*Credits: N/A

CVSS Scores

NISTv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-07-16 CVE Reserved
2024-07-16 CVE Published
2024-07-25 EPSS Updated
2024-09-11 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-763: Release of Invalid Pointer or Reference

CAPEC

References (5)

URL	Tag	Source
https://git.kernel.org/stable/c/711a923c14d9a48d15a30a2c085184954bf04931	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/98e7a654a5bebaf1a28e987af5e44c002544a413	2022-03-23
https://git.kernel.org/stable/c/0cd2dd4bcf4abc812148c4943f966a3c8dccb00f	2022-03-23
https://git.kernel.org/stable/c/3916e33b917581e2b2086e856c291cb86ea98a05	2022-03-23
https://git.kernel.org/stable/c/69ad4ef868c1fc7609daa235dfa46d28ba7a3ba3	2022-03-15

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 < 5.10.108 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.10.108"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.10 < 5.15.31 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.15.31"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.10 < 5.16.17 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.16.17"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.10 < 5.17 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.10 < 5.17"		en		Affected