{"id":"CVE-2025-38408","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ngenirq/irq_sim: Initialize work context pointers properly\n\nInitialize `ops` member's pointers properly by using kzalloc() instead of\nkmalloc() when allocating the simul…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ngenirq/irq_sim: Initialize work context pointers properly\n\nInitialize `ops` member's pointers properly by using kzalloc() instead of\nkmalloc() when allocating the simul…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.8, < 6.12.37","linux_kernel >= 6.13, < 6.15.6","linux_kernel = 6.16"],"patched":["linux_kernel 6.15.6"],"published":"2025-07-25","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:40.303","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-38408","references":[{"url":"https://git.kernel.org/stable/c/186df821de0f34490ed5fc0861243748b2483861","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/19bd7597858dd15802c1d99fcc38e528f469080a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7f73d1def72532bac4d55ea8838f457a6bed955c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8a2277a3c9e4cc5398f80821afe7ecbe9bdf2819","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c71aa4bb528ae6f8fd7577a0a39e5a03c60b04fb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec3656a8cb428d763def32bc2fa695f94be23629","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.00202,"epssPercentile":0.10044,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:50:08.886538Z"},"ingestedAt":"2026-10-15T22:48:25.506Z","slug":"CVE-2025-38408","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ngenirq/irq_sim: Initialize work context pointers properly\n\nInitialize `ops` member's pointers properly by using kzalloc() instead of\nkmalloc() when allocating the simulation work context. Otherwise the\npointers contain random content leading to invalid dereferencing.\n\n## Affected\n\n- `linux_kernel >= 5.8, < 6.12.37`\n- `linux_kernel >= 6.13, < 6.15.6`\n- `linux_kernel = 6.16`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.15.6`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}