https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-12T17:42:11.310823+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-43341 CVE-2026-43341 — net/ipv6: ioam6: prevent schema length wraparound in trace fill 2026-10-12T17:42:11.362801+00:00

Affected: Linux

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.

 https://cve.radiocsirt.org/vuln/lsn-0121-1 LSN-0121-1 — Kernel Live Patch Security Notice 2026-10-12T17:42:11.362872+00:00

Affected: Ubuntu:Pro:16.04:LTS: linux-aws-hwe, Ubuntu:Pro:16.04:LTS: linux-aws, Ubuntu:Pro:16.04:LTS: linux-azure, Ubuntu:Pro:16.04:LTS: linux-gcp, Ubuntu:Pro:16.04:LTS: linux-hwe, Ubuntu:Pro:16.04:LTS: linux, Ubuntu:Pro:18.04:LTS: linux-aws, Ubuntu:Pro:18.04:LTS: linux-azure-4.15, Ubuntu:Pro:18.04:LTS: linux-gcp-4.15, Ubuntu:Pro:18.04:LTS: linux and 24 more

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