{"id":"CVE-2025-21901","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Add sanity checks on rdev validity\n\nThere is a possibility that ulp_irq_stop and ulp_irq_start\ncallbacks will be called when the device is in detached sta…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Add sanity checks on rdev validity\n\nThere is a possibility that ulp_irq_stop and ulp_irq_start\ncallbacks will be called when the device is in detached sta…","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 >= 6.12, < 6.12.18","linux_kernel >= 6.13, < 6.13.6","linux_kernel = 6.14"],"patched":["linux_kernel 6.13.6"],"published":"2025-04-01","updated":"2026-07-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21901","references":[{"url":"https://git.kernel.org/stable/c/8cb0eef46d70a99c88c26a1addb7fd955242e0e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/aed1bc673907e3df372b317c10ff2f3582f8bf1a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f0df225d12fcb049429fb5bf5122afe143c2dd15","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21901.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-21901"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356595"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21901"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21901"},{"url":"https://lore.kernel.org/linux-cve-announce/2025040133-CVE-2025-21901-8898@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","score-dispute"],"epss":0.00216,"epssPercentile":0.1196,"ingestedAt":"2026-07-30T06:53:10.887Z","scores":{"nvd":7.8,"vendor":4.4},"slug":"CVE-2025-21901","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/bnxt_re: Add sanity checks on rdev validity\n\nThere is a possibility that ulp_irq_stop and ulp_irq_start\ncallbacks will be called when the device is in detached state.\nThis can cause a crash due to NULL pointer dereference as\nthe rdev is already freed.\n\n## Affected\n\n- `linux_kernel >= 6.12, < 6.12.18`\n- `linux_kernel >= 6.13, < 6.13.6`\n- `linux_kernel = 6.14`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.13.6`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21901.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}