SB2026092512 - Improper Validation of Specified Quantity in Input in Linux kernel dsa sja1105 driver

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Validation of Specified Quantity in Input (CVE-ID: CVE-2026-97435)

CWE-ID: CWE-1284 - Improper Validation of Specified Quantity in Input

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local privileged user to redirect traffic to an unintended port or trigger an out-of-bounds access.

The vulnerability exists due to improper validation of a destination port index in the SJA1105 flower classifier when configuring a redirect action to a switch port on a different switch chip. A local privileged user can configure a redirect action referencing a port from another switch chip to redirect traffic to an unintended port or trigger an out-of-bounds access.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/abd7511e12b231798332afa04ed9bee9e84f9445
• https://git.kernel.org/stable/c/c999cc39775381b68ed66eae57c1425452672c0f
• https://git.kernel.org/stable/c/cfa5274a5dc2a23b957da5dc806d2ac0c7a66af0