GHSA-rrh5-rfhq-mff2

GHSA-rrh5-rfhq-mff2 PUBLISHED CVSS 4.699999809265137 MEDIUM

Record from GitHub Advisory Database · Published October 21, 2024

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix memfd_pin_folios alloc race panic If memfd_pin_folios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here: folio = memfd_alloc_folio(memfd, start_idx); if (IS_ERR(folio)) { ret = PTR_ERR(folio); if (ret != -EEXIST) goto err; then on the next trip through the "while start_idx" loop we panic here: if (folio) { folio_put(folio); To fix, set the folio to NULL on error.

Risk scores

CVSS 3.1

4.699999809265137

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Timeline

Oct 21, 2024 CVE Published
May 1, 2026 Security Advisory

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vulnetix vdb fixes GHSA-rrh5-rfhq-mff2

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