Threats Tagged 'ghsa-489c-q3cc-mm5r'
View all threats tagged with 'ghsa-489c-q3cc-mm5r'. Filter and sort to focus on specific types of threats.
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Threats Tagged 'ghsa-489c-q3cc-mm5r'
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A time-of-check to time-of-use (TOCTOU) race condition was identified and resolved in the Linux kernel's VXLAN implementation. The vulnerability occurs because vxlan_na_create() samples the headroom size twice, allowing a concurrent vxlan_changelink() to modify the headroom between reads. This can cause an out-of-bounds write when the Ethernet header is written, potentially leading to memory corruption. The issue was detected by KASAN during testing and has been fixed by snapshotting the headroom once for allocation and reservation. Join the discussion | GCVE Database | 10/18/2026, 18:31:54 UTC Added: 10/18/2026, 19:40:31 UTC |
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