Threats Tagged 'ubuntu-cve-2026-23416'
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Threats Tagged 'ubuntu-cve-2026-23416'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: mm/mseal: update VMA end correctly on merge Previously we stored the end of the… (CVE-2026-23416)CVE-2026-23416 0 In the Linux kernel, the following vulnerability has been resolved: mm/mseal: update VMA end correctly on merge Previously we stored the end of the current VMA in curr_end, and then upon iterating to the next VMA updated curr_start to curr_end to advance to the next VMA. However, this doesn't take into account the fact that a VMA might be updated due to a merge by vma_modify_flags(), which can result in curr_end being stale and thus, upon setting curr_start to curr_end, ending up with an incorrect curr_start on the next iteration. Resolve the issue by setting curr_end to vma->vm_end unconditionally to ensure this value remains updated should this occur. While we're here, eliminate this entire class of bug by simply setting const curr_[start/end] to be clamped to the input range and VMAs, which also happens to simplify the logic. Join the discussion | GCVE Database | 04/02/2026, 12:16:00 UTC Added: 07/31/2026, 15:39:04 UTC |
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