CVE-2024-46784

net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup

Severity Score

"-"

*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved:

net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup

Currently napi_disable() gets called during rxq and txq cleanup,
even before napi is enabled and hrtimer is initialized. It causes
kernel panic.

? page_fault_oops+0x136/0x2b0
? page_counter_cancel+0x2e/0x80
? do_user_addr_fault+0x2f2/0x640
? refill_obj_stock+0xc4/0x110
? exc_page_fault+0x71/0x160
? asm_exc_page_fault+0x27/0x30
? __mmdrop+0x10/0x180
? __mmdrop+0xec/0x180
? hrtimer_active+0xd/0x50
hrtimer_try_to_cancel+0x2c/0xf0
hrtimer_cancel+0x15/0x30
napi_disable+0x65/0x90
mana_destroy_rxq+0x4c/0x2f0
mana_create_rxq.isra.0+0x56c/0x6d0
? mana_uncfg_vport+0x50/0x50
mana_alloc_queues+0x21b/0x320
? skb_dequeue+0x5f/0x80

*Credits: N/A

CVSS Scores

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2024-09-11 CVE Reserved
2024-09-18 CVE Published
2024-09-18 CVE Updated
2024-09-19 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (5)

URL	Tag	Source
https://git.kernel.org/stable/c/e1b5683ff62e7b328317aec08869495992053e9d	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/9178eb8ebcd887ab75e54ac40d538e54bb9c7788	2024-09-12
https://git.kernel.org/stable/c/9e0bff4900b5d412a9bafe4baeaa6facd34f671c	2024-09-12
https://git.kernel.org/stable/c/4982a47154f0b50de81ee0a0b169a3fc74120a65	2024-09-12
https://git.kernel.org/stable/c/b6ecc662037694488bfff7c9fd21c405df8411f2	2024-09-04

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"				>= 5.15 < 6.1.110 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.1.110"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.15 < 6.6.51 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.6.51"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.15 < 6.10.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.10.10"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.15 < 6.11 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.15 < 6.11"		en		Affected