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Description

In the Linux kernel, the following vulnerability has been resolved: octeon_ep_vf: add NULL check for napi_build_skb() napi_build_skb() can return NULL on allocation failure. In __octep_vf_oq_process_rx(), the result is used directly without a NULL check in both the single-buffer and multi-fragment paths, leading to a NULL pointer dereference. Add NULL checks after both napi_build_skb() calls, properly advancing descriptors and consuming remaining fragments on failure.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-28 | Updated 2026-05-28 | Assigner Linux

Product status

Default status
unaffected

1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 (git) before 60246cdd4c515ea7d920cddf48932efcb990773e
affected

1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 (git) before b0f4711b426a06fb4c4be85c36b9f5588d5140d3
affected

1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 (git) before 6fef6640bbf360e254cc0174365ed30ce3a07572
affected

1cd3b407977c3ab1d2ddc26cb7113e7fb1509cd1 (git) before dd66b42854705e4e4ee7f14d260f86c578bed3e3
affected

Default status
affected

6.9
affected

Any version before 6.9
unaffected

6.12.88 (semver)
unaffected

6.18.30 (semver)
unaffected

7.0.7 (semver)
unaffected

7.1-rc1 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/60246cdd4c515ea7d920cddf48932efcb990773e

git.kernel.org/...c/b0f4711b426a06fb4c4be85c36b9f5588d5140d3

git.kernel.org/...c/6fef6640bbf360e254cc0174365ed30ce3a07572

git.kernel.org/...c/dd66b42854705e4e4ee7f14d260f86c578bed3e3

cve.org (CVE-2026-46188)

nvd.nist.gov (CVE-2026-46188)

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