{"id":"CVE-2026-98057","published":"2026-09-25T11:17:34.660","lastModified":"2026-09-25T11:17:34.660","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Add checking nr_subbufs to persistent ring buffer validation\n\nSashiko reported that the code was using meta->nr_subbufs without making\nsure that it matched the nr_pages + 1 on data that was assuming the two\nwere the same.\n\nAdd a check to the persistent ring buffer validation code to make sure\nthat the saved nr_subbufs matches what we expect.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/69d502457e3f76142f7fcf6e2625e80e0ce8a60f","tags":[]},{"url":"https://git.kernel.org/stable/c/6c001a62c34f13fe1c6a24304c289b387d9e697d","tags":[]},{"url":"https://git.kernel.org/stable/c/f0467190e6a9fc61e343c8064ef16aad513788c3","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}