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ZephyrCVE-2023-5563

HistoryOct 13, 2023 - 12:15 a.m.

CVE-2023-5563

2023-10-1300:15:13

CWE-703

zephyr

web.nvd.nist.gov

cve-2023-5563

sja1000

can controller

driver

bus-off event

config_can_auto_bus_off_recovery

k_sleep()

irq context

fatal exception

nvd

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

23.6%

JSON

The SJA1000 CAN controller driver backend automatically attempt to recover from a bus-off event when built with CONFIG_CAN_AUTO_BUS_OFF_RECOVERY=y. This results in calling k_sleep() in IRQ context, causing a fatal exception.

Affected configurations

Nvd

Node

zephyrprojectzephyrRange≤3.4.0

VendorProductVersionCPE
zephyrprojectzephyr*cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
zephyrproject	zephyr	*	cpe:2.3:o:zephyrproject:zephyr::::::::

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "packageName": "Zephyr",
    "product": "Zephyr",
    "repo": "https://github.com/zephyrproject-rtos/zephyr",
    "vendor": "zephyrproject-rtos",
    "versions": [
      {
        "lessThanOrEqual": "3.4",
        "status": "affected",
        "version": "3.3",
        "versionType": "git"
      }
    ]
  }
]

References

github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-98mc-rj7w-7rpv

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

23.6%

JSON

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