CVE-2025-38514High· 7.5▾ TwilightIn 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_incomin…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.4%
0.4% → 0.4%
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.
linux_kernel >= 4.9, < 5.4.296linux_kernel >= 5.5, < 5.10.240linux_kernel >= 5.11, < 5.15.189linux_kernel >= 5.16, < 6.1.146linux_kernel >= 6.2, < 6.6.99linux_kernel >= 6.7, < 6.12.39linux_kernel >= 6.13, < 6.15.7linux_kernel = 6.16debian_linux = 11.0Upgrade past the affected range:
linux_kernel 6.15.7Connected by shared product, vendor, weakness, or advisory.
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