Threats Tagged 'ubuntu-cve-2026-43341'
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Threats Tagged 'ubuntu-cve-2026-43341'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill… (CVE-2026-43341)CVE-2026-43341 0 In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparound in trace fill ioam6_fill_trace_data() stores the schema contribution to the trace length in a u8. With bit 22 enabled and the largest schema payload, sclen becomes 1 + 1020 / 4, wraps from 256 to 0, and bypasses the remaining-space check. __ioam6_fill_trace_data() then positions the write cursor without reserving the schema area but still copies the 4-byte schema header and the full schema payload, overrunning the trace buffer. Keep sclen in an unsigned int so the remaining-space check and the write cursor calculation both see the full schema length. Join the discussion | GCVE Database | 05/08/2026, 14:16:00 UTC Added: 07/16/2026, 10:38:52 UTC |
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