{"id":"CVE-2025-38514","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix oops due to non-existence of prealloc backlog struct\n\nIf an AF_RXRPC service socket is opened and bound, but calls are\npreallocated, then rxrpc_alloc_incomin…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix oops due to non-existence of prealloc backlog struct\n\nIf an AF_RXRPC service socket is opened and bound, but calls are\npreallocated, then rxrpc_alloc_incomin…","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 >= 4.9, < 5.4.296","linux_kernel >= 5.5, < 5.10.240","linux_kernel >= 5.11, < 5.15.189","linux_kernel >= 5.16, < 6.1.146","linux_kernel >= 6.2, < 6.6.99","linux_kernel >= 6.7, < 6.12.39","linux_kernel >= 6.13, < 6.15.7","linux_kernel = 6.16","debian_linux = 11.0"],"patched":["linux_kernel 6.15.7"],"published":"2025-08-16","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:44.053","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-38514","references":[{"url":"https://git.kernel.org/stable/c/0eef29385d715d4c7fd707b18d4a9b76c76dd5e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2c2e9ebeb036f9b1b09325ec5cfdfe0e78f357c3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/880a88f318cf1d2a0f4c0a7ff7b07e2062b434a4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf0ca6a1bc4fb904b598137c6718785a107e3adf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d1ff5f9d2c5405681457262e23c720b08977c11f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/efc1b2b7c1a308b60df8f36bc2d7ce16d3999364","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f5e72b7824d08c206ce106d30cb37c4642900ccc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f7afb3ff01c42c49e8a143cdce400b95844bb506","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00369,"epssPercentile":0.30617,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-15T21:51:16.938257Z"},"ingestedAt":"2026-10-15T22:48:25.511Z","slug":"CVE-2025-38514","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix oops due to non-existence of prealloc backlog struct\n\nIf an AF_RXRPC service socket is opened and bound, but calls are\npreallocated, then rxrpc_alloc_incoming_call() will oops because the\nrxrpc_backlog struct doesn't get allocated until the first preallocation is\nmade.\n\nFix this by returning NULL from rxrpc_alloc_incoming_call() if there is no\nbacklog struct.  This will cause the incoming call to be aborted.\n\n## Affected\n\n- `linux_kernel >= 4.9, < 5.4.296`\n- `linux_kernel >= 5.5, < 5.10.240`\n- `linux_kernel >= 5.11, < 5.15.189`\n- `linux_kernel >= 5.16, < 6.1.146`\n- `linux_kernel >= 6.2, < 6.6.99`\n- `linux_kernel >= 6.7, < 6.12.39`\n- `linux_kernel >= 6.13, < 6.15.7`\n- `linux_kernel = 6.16`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.15.7`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}