Improper resource shutdown or release in Linux kernel - CVE-2025-38042

Vulnerability identifier: #VU111690

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-38042

CWE-ID: CWE-404

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

Linux kernel
Ubuntu
linux (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-azure (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-oracle-6.14 (Ubuntu package)
linux-raspi (Ubuntu package)

Install update from vendor's repository.

linux (Ubuntu package) - addressed in versions 6.14.0-32.32, 6.14.0-32.32.1, 6.14.0-32.32.1~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1013.13, 6.14.0-1016.17, 6.14.0-1016.17~24.04.1
linux-aws-6.14 (Ubuntu package) - addressed in versions 6.14.0-32.32~24.04.1, 6.14.0-1013.13~24.04.1
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1012.12
linux-azure (Ubuntu package) - update to 6.14.0-1012.12
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1012.12~24.04.1
linux-oracle-6.14 (Ubuntu package) - update to 6.14.0-1013.13~24.04.1
linux-raspi (Ubuntu package) - update to 6.14.0-1014.14

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

• Improper resource shutdown or release in Linux kernel dma ti driver
• Ubuntu update for linux-oem-6.14
• Ubuntu update for linux-azure
• Ubuntu update for linux
• Ubuntu update for linux-realtime-6.14
• Ubuntu update for linux-aws-6.14
• Ubuntu update for linux-oracle-6.14
• Ubuntu update for linux-raspi