CVE-2022-50040

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

HIGH

7.8

CVSS Score

Published: June 18, 2025 at 11:01 AM UTC

Updated: June 17, 2026 at 05:22 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.3%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

5.10 ≤ v < 5.10.1385.10 ≤ v < 5.15.635.10 ≤ v < 5.19.45.10 ≤ v < 6.05.11 ≤ v < 5.15.635.16 ≤ v < 5.19.45.10 6.0 rc1bf425b82059e0b0752c0026353c1902112200837

Vendor states this is fixed in 7983e1e44cb322eba6af84160b6d18df80603fb8 (fixed)

Vendor states this is fixed in 79f86b862416126a2e826cb74224180d6625a32f (fixed)

Vendor states this is fixed in e84c6321f3578c38cb3c24258db91a92672b17a8 (fixed)

Vendor states this is fixed in fd8e899cdb5ecaf8e8ee73854a99e10807eef1de (fixed)

Vendor states this is fixed in 5.10 (unaffected)

Vendor states this is fixed in 5.10.138 (unaffected)

Vendor states this is fixed in 5.15.63 (unaffected)

Vendor states this is fixed in 5.19.4 (unaffected)

Vendor states this is fixed in 6.0 (unaffected)