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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.

PUBLISHED Reserved 2025-04-16 | Published 2025-08-16 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before bf0ca6a1bc4fb904b598137c6718785a107e3adf
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before f7afb3ff01c42c49e8a143cdce400b95844bb506
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before f5e72b7824d08c206ce106d30cb37c4642900ccc
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before 0eef29385d715d4c7fd707b18d4a9b76c76dd5e6
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before efc1b2b7c1a308b60df8f36bc2d7ce16d3999364
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before d1ff5f9d2c5405681457262e23c720b08977c11f
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before 2c2e9ebeb036f9b1b09325ec5cfdfe0e78f357c3
affected

248f219cb8bcbfbd7f132752d44afa2df7c241d1 (git) before 880a88f318cf1d2a0f4c0a7ff7b07e2062b434a4
affected

Default status
affected

4.9
affected

Any version before 4.9
unaffected

5.4.296 (semver)
unaffected

5.10.240 (semver)
unaffected

5.15.189 (semver)
unaffected

6.1.146 (semver)
unaffected

6.6.99 (semver)
unaffected

6.12.39 (semver)
unaffected

6.15.7 (semver)
unaffected

6.16 (original_commit_for_fix)
unaffected

References

lists.debian.org/debian-lts-announce/2025/10/msg00008.html

lists.debian.org/debian-lts-announce/2025/10/msg00007.html

git.kernel.org/...c/bf0ca6a1bc4fb904b598137c6718785a107e3adf

git.kernel.org/...c/f7afb3ff01c42c49e8a143cdce400b95844bb506

git.kernel.org/...c/f5e72b7824d08c206ce106d30cb37c4642900ccc

git.kernel.org/...c/0eef29385d715d4c7fd707b18d4a9b76c76dd5e6

git.kernel.org/...c/efc1b2b7c1a308b60df8f36bc2d7ce16d3999364

git.kernel.org/...c/d1ff5f9d2c5405681457262e23c720b08977c11f

git.kernel.org/...c/2c2e9ebeb036f9b1b09325ec5cfdfe0e78f357c3

git.kernel.org/...c/880a88f318cf1d2a0f4c0a7ff7b07e2062b434a4

cve.org (CVE-2025-38514)

nvd.nist.gov (CVE-2025-38514)

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