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

net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()

If an error occurs in dsa_devlink_region_create(), then 'priv->regions'
array will be accessed by negative index '-1'.

Found by Linux Verification Center (linuxtesting.org) with SVACE.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-55311 In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 13 Nov 2025 19:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-787
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Fri, 20 Jun 2025 14:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate


Wed, 18 Jun 2025 11:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Title net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-06-18T11:01:41.420Z

Reserved: 2025-06-18T10:57:27.398Z

Link: CVE-2022-50040

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2025-06-18T11:15:32.450

Modified: 2025-11-13T18:58:05.407

Link: CVE-2022-50040

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-06-18T00:00:00Z

Links: CVE-2022-50040 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-06-23T08:53:47Z