{"id":"CVE-2025-71086","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rose: fix invalid array index in rose_kill_by_device()\n\nrose_kill_by_device() collects sockets into a local array[] and then\niterates over them to disconnect socke…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: rose: fix invalid array index in rose_kill_by_device()\n\nrose_kill_by_device() collects sockets into a local array[] and then\niterates over them to disconnect socke…","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-129"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.19.304, < 4.20","linux_kernel >= 5.4.266, < 5.5","linux_kernel >= 5.10.206, < 5.10.248","linux_kernel >= 5.15.146, < 5.15.198","linux_kernel >= 6.1.70, < 6.1.160","linux_kernel >= 6.6.9, < 6.6.120","linux_kernel >= 6.7.1, < 6.12.64","linux_kernel >= 6.13, < 6.18.4","linux_kernel = 6.7","linux_kernel = 6.19"],"patched":["linux_kernel 6.18.4"],"published":"2026-01-13","updated":"2026-10-15","sourceUpdated":"2026-10-15T02:18:18.587","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-71086","references":[{"url":"https://git.kernel.org/stable/c/1418c12cd3bba79dc56b57b61c99efe40f579981","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6595beb40fb0ec47223d3f6058ee40354694c8e4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/819fb41ae54960f66025802400c9d3935eef4042","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/92d900aac3a5721fb54f3328f1e089b44a861c38","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9f6185a32496834d6980b168cffcccc2d6b17280","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b409ba9e1e63ccf3ab4cc061e33c1f804183543e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed2639414d43ba037f798eaf619e878309310451","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":0.00147,"epssPercentile":0.03863,"ingestedAt":"2026-09-08T15:33:26.995Z","slug":"CVE-2025-71086","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: rose: fix invalid array index in rose_kill_by_device()\n\nrose_kill_by_device() collects sockets into a local array[] and then\niterates over them to disconnect sockets bound to a device being brought\ndown.\n\nThe loop mistakenly indexes array[cnt] instead of array[i]. For cnt <\nARRAY_SIZE(array), this reads an uninitialized entry; for cnt ==\nARRAY_SIZE(array), it is an out-of-bounds read. Either case can lead to\nan invalid socket pointer dereference and also leaks references taken\nvia sock_hold().\n\nFix the index to use i.\n\n## Affected\n\n- `linux_kernel >= 4.19.304, < 4.20`\n- `linux_kernel >= 5.4.266, < 5.5`\n- `linux_kernel >= 5.10.206, < 5.10.248`\n- `linux_kernel >= 5.15.146, < 5.15.198`\n- `linux_kernel >= 6.1.70, < 6.1.160`\n- `linux_kernel >= 6.6.9, < 6.6.120`\n- `linux_kernel >= 6.7.1, < 6.12.64`\n- `linux_kernel >= 6.13, < 6.18.4`\n- `linux_kernel = 6.7`\n- `linux_kernel = 6.19`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.18.4`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":221573,"id":"CVE-2025-71086","ts":1792035279038,"field":"cvss","old":null,"new":"7.8"},{"seq":221572,"id":"CVE-2025-71086","ts":1792035279038,"field":"severity","old":"none","new":"high"}]}