{"id":"CVE-2025-37757","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix memory leak in tipc_link_xmit\n\nIn case the backlog transmit queue for system-importance messages is overloaded,\ntipc_link_xmit() returns -ENOBUFS but the skb …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix memory leak in tipc_link_xmit\n\nIn case the backlog transmit queue for system-importance messages is overloaded,\ntipc_link_xmit() returns -ENOBUFS but the skb …","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-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.11, < 5.4.293","linux_kernel >= 5.5, < 5.10.237","linux_kernel >= 5.11, < 5.15.181","linux_kernel >= 5.16, < 6.1.135","linux_kernel >= 6.2, < 6.6.88","linux_kernel >= 6.7, < 6.12.24","linux_kernel >= 6.13, < 6.13.12","linux_kernel >= 6.14, < 6.14.3","linux_kernel = 6.15","debian_linux = 11.0"],"patched":["linux_kernel 6.14.3"],"published":"2025-05-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:17.370","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-37757","references":[{"url":"https://git.kernel.org/stable/c/09c2dcda2c551bba30710c33f6ac678ae7395389","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/69ae94725f4fc9e75219d2d69022029c5b24bc9a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7c5957f7905b4aede9d7a559d271438f3ca9e852","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/84895f5ce3829d9fc030e5ec2d8729da4c0c9d08","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a40cbfbb8f95c325430f017883da669b2aa927d4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d4d40e437adb376be16b3a12dd5c63f0fa768247","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ed06675d3b8cd37120b447646d53f7cd3e6fcd63","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00447,"epssPercentile":0.38667,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T21:44:59.238250Z"},"ingestedAt":"2026-10-15T22:48:25.477Z","slug":"CVE-2025-37757","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ntipc: fix memory leak in tipc_link_xmit\n\nIn case the backlog transmit queue for system-importance messages is overloaded,\ntipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This leads to\nmemory leak and failure when a skb is allocated.\n\nThis commit fixes this issue by purging the skb list before tipc_link_xmit()\nreturns.\n\n## Affected\n\n- `linux_kernel >= 4.11, < 5.4.293`\n- `linux_kernel >= 5.5, < 5.10.237`\n- `linux_kernel >= 5.11, < 5.15.181`\n- `linux_kernel >= 5.16, < 6.1.135`\n- `linux_kernel >= 6.2, < 6.6.88`\n- `linux_kernel >= 6.7, < 6.12.24`\n- `linux_kernel >= 6.13, < 6.13.12`\n- `linux_kernel >= 6.14, < 6.14.3`\n- `linux_kernel = 6.15`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.14.3`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}