{"id":"CVE-2025-38526","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: add NULL check in eswitch lag check\n\nThe function ice_lag_is_switchdev_running() is being called from outside of\nthe LAG event handler code","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nice: add NULL check in eswitch lag check\n\nThe function ice_lag_is_switchdev_running() is being called from outside of\nthe LAG event handler code.  This results in the l…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 6.6.1, < 6.6.100","linux_kernel >= 6.7, < 6.12.40","linux_kernel >= 6.13, < 6.15.8","linux_kernel = 6.6","linux_kernel = 6.16"],"patched":["linux_kernel 6.15.8"],"published":"2025-08-16","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:44.427","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-38526","references":[{"url":"https://git.kernel.org/stable/c/245917d3c5ed7c6ae720302b64eac5c6f0c85177","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/27591d926191e42b2332e4bad3bcd3a49def393b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3ce58b01ada408b372f15b7c992ed0519840e3cf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5a5d64f0eec82076b2c09fee2195d640cfbe3379","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00382,"epssPercentile":0.32112,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T21:51:23.742828Z"},"ingestedAt":"2026-10-15T22:48:25.511Z","slug":"CVE-2025-38526","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nice: add NULL check in eswitch lag check\n\nThe function ice_lag_is_switchdev_running() is being called from outside of\nthe LAG event handler code.  This results in the lag->upper_netdev being\nNULL sometimes.  To avoid a NULL-pointer dereference, there needs to be a\ncheck before it is dereferenced.\n\n## Affected\n\n- `linux_kernel >= 6.6.1, < 6.6.100`\n- `linux_kernel >= 6.7, < 6.12.40`\n- `linux_kernel >= 6.13, < 6.15.8`\n- `linux_kernel = 6.6`\n- `linux_kernel = 6.16`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.15.8`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}