CVE-2022-48824

In the Linux kernel, the following vulnerability has been resolved: scsi: myrs: Fix crash in error case In myrs_detect(), cs->disable_intr is NULL when privdata->hw_init() fails with non-zero. In this case, myrs_cleanup(cs) will call a NULL ptr and crash the kernel. [ 1.105606] myrs 0000:00:03.0: Unknown Initialization Error 5A [ 1.105872] myrs 0000:00:03.0: Failed to initialize Controller [ 1.106082] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 1.110774] Call Trace: [ 1.110950] myrs_cleanup+0xe4/0x150 [myrs] [ 1.111135] myrs_probe.cold+0x91/0x56a [myrs] [ 1.111302] ? DAC960_GEM_intr_handler+0x1f0/0x1f0 [myrs] [ 1.111500] local_pci_probe+0x48/0x90

CVSS v3 5.5 MEDIUM

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/0e42c4a3d732517edc3766dd45a14e60d29dd929	Patch
https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23	Patch
https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d	Patch
https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162	Patch
https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19	Patch
https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929	Patch
https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23	Patch
https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d	Patch
https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162	Patch
https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19	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::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

21 Nov 2024, 07:34

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929 - Patch~~	() https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929 - Patch
References	~~() https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23 - Patch~~	() https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23 - Patch
References	~~() https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d - Patch~~	() https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d - Patch
References	~~() https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162 - Patch~~	() https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162 - Patch
References	~~() https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19 - Patch~~	() https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19 - Patch

07 Aug 2024, 19:14

Type	Values Removed	Values Added
References	~~() https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929 -~~	() https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929 - Patch
References	~~() https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23 -~~	() https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23 - Patch
References	~~() https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d -~~	() https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d - Patch
References	~~() https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162 -~~	() https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162 - Patch
References	~~() https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19 -~~	() https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19 - Patch
Summary		(es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: myrs: soluciona el fallo en caso de error En myrs_detect(), cs->disable_intr es NULL cuando privdata->hw_init() falla con un valor distinto de cero. En este caso, myrs_cleanup(cs) llamará a un ptr NULL y bloqueará el kernel. [1.105606] myrs 0000:00:03.0: Error de inicialización desconocido 5A [1.105872] myrs 0000:00:03.0: Error al inicializar el controlador [1.106082] ERROR: desreferencia del puntero NULL del núcleo, dirección: 0000000000000000 [1.110774] Seguimiento de llamadas : [1.110950] myrs_cleanup+0xe4/0x150 [myrs] [ 1.111135] myrs_probe.cold+0x91/0x56a [myrs] [ 1.111302] ? DAC960_GEM_intr_handler+0x1f0/0x1f0 [años] [ 1.111500] local_pci_probe+0x48/0x90
First Time		Linux Linux linux Kernel
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5
CPE		cpe:2.3:o:linux:linux_kernel::::::::
CWE		CWE-476

16 Jul 2024, 12:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-07-16 12:15

Updated : 2024-11-21 07:34

NVD link : CVE-2022-48824

Mitre link : CVE-2022-48824

CVE.ORG link : CVE-2022-48824

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

5.5 /10