SB20250620222 - Improper resource shutdown or release in Linux kernel dma ti driver

Description

This security bulletin contains information about 1 security vulnerability.

1) Improper resource shutdown or release (CVE-ID: CVE-2025-38042)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to failure to properly release resources within the prueth_reset_rx_chan() function in drivers/net/ethernet/ti/icssg/icssg_common.c, within the am65_cpsw_destroy_rxq() and am65_cpsw_nuss_register_ndevs() functions in drivers/net/ethernet/ti/am65-cpsw-nuss.c, within the k3_udma_chan_dev_release(), k3_udma_glue_request_rx_chn_priv(), k3_udma_glue_request_remote_rx_chn_common(), EXPORT_SYMBOL_GPL() and k3_udma_glue_reset_rx_chn() functions in drivers/dma/ti/k3-udma-glue.c. A local user can perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/0da30874729baeb01889b0eca16cfda122687503
• https://git.kernel.org/stable/c/d0dd9d133ef8fdc894e0be9aa27dc49ef5f813cb