Threats Tagged 'ghsa-r224-867j-vfxf'
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Threats Tagged 'ghsa-r224-867j-vfxf'
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A vulnerability in the Linux kernel's IPv6 UDP exception cache handling allowed off-path attackers to conduct side-channel attacks to discover ephemeral UDP ports. The issue was due to exceptions being created only when a UDP packet matched an existing socket. The fix ensures exceptions are always created before socket matching, preventing this side-channel. This change may cause additional route lookups and exceptions but does not increase the ability of attackers to create exceptions beyond previous capabilities. Join the discussion | GCVE Database | 10/23/2026, 15:31:37 UTC Added: 10/23/2026, 18:43:23 UTC |
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