{"id":"CVE-2025-71131","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Do not use req->iv after crypto_aead_encrypt\n\nAs soon as crypto_aead_encrypt is called, the underlying request\nmay be freed by an asynchronous completio…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Do not use req->iv after crypto_aead_encrypt\n\nAs soon as crypto_aead_encrypt is called, the underlying request\nmay be freed by an asynchronous completio…","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","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.25.1, < 5.10.248","linux_kernel >= 5.11, < 5.15.198","linux_kernel >= 5.16, < 6.1.160","linux_kernel >= 6.2, < 6.6.120","linux_kernel >= 6.7, < 6.12.64","linux_kernel >= 6.13, < 6.18.4","linux_kernel = 2.6.25","linux_kernel = 6.19"],"patched":["linux_kernel 6.18.4"],"published":"2026-01-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:23.363","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71131","references":[{"url":"https://git.kernel.org/stable/c/0279978adec6f1296af66b642cce641c6580be46","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/18202537856e0fae079fed2c9308780bcff2bb9d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/50f196d2bbaee4ab2494bb1b0d294deba292951a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/50fdb78b7c0bcc550910ef69c0984e751cac72fa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5476f7f8a311236604b78fcc5b2a63b3a61b0169","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/baf0e2d1e03ddb04781dfe7f22a654d3611f69b2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ccbb96434d88e32358894c879457b33f7508e798","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-457936.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00305,"epssPercentile":0.23175,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-10T20:40:45.516602Z"},"ingestedAt":"2026-09-08T15:33:26.994Z","slug":"CVE-2025-71131","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: seqiv - Do not use req->iv after crypto_aead_encrypt\n\nAs soon as crypto_aead_encrypt is called, the underlying request\nmay be freed by an asynchronous completion.  Thus dereferencing\nreq->iv after it returns is invalid.\n\nInstead of checking req->iv against info, create a new variable\nunaligned_info and use it for that purpose instead.\n\n## Affected\n\n- `linux_kernel >= 2.6.25.1, < 5.10.248`\n- `linux_kernel >= 5.11, < 5.15.198`\n- `linux_kernel >= 5.16, < 6.1.160`\n- `linux_kernel >= 6.2, < 6.6.120`\n- `linux_kernel >= 6.7, < 6.12.64`\n- `linux_kernel >= 6.13, < 6.18.4`\n- `linux_kernel = 2.6.25`\n- `linux_kernel = 6.19`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.18.4`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}