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CVE-2025-38514
MEDIUM5.5
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix oops due to non-existence of prealloc backlog struct If an AF_RXRPC service socket is opened and bound, but calls are preallocated, then rxrpc_alloc_incoming_call() will oops because the rxrpc_backlog struct doesn't get allocated until the first preallocation is made. Fix this by returning NULL from rxrpc_alloc_incoming_call() if there is no backlog struct. This will cause the incoming call to be aborted.
CVE Details
CVSS v3.1 Score5.5
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorLOCAL
ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
Published8/16/2025
Last Modified1/22/2026
Sourcenvd
Honeypot Sightings0
Affected Products
debian:debian_linuxlinux:linux_kernel
References
https://git.kernel.org/stable/c/0eef29385d715d4c7fd707b18d4a9b76c76dd5e6(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/2c2e9ebeb036f9b1b09325ec5cfdfe0e78f357c3(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/880a88f318cf1d2a0f4c0a7ff7b07e2062b434a4(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/bf0ca6a1bc4fb904b598137c6718785a107e3adf(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/d1ff5f9d2c5405681457262e23c720b08977c11f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/efc1b2b7c1a308b60df8f36bc2d7ce16d3999364(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/f5e72b7824d08c206ce106d30cb37c4642900ccc(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://git.kernel.org/stable/c/f7afb3ff01c42c49e8a143cdce400b95844bb506(416baaa9-dc9f-4396-8d5f-8c081fb06d67)
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html(af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html(af854a3a-2127-422b-91ae-364da2661108)
IOC Correlations
No correlations recorded
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