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Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package rtla  (opens in a new tab)

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EPSS
0.41% (33rd percentile)

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  • Snyk IDSNYK-RHEL10-RTLA-16920883
  • published28 May 2026
  • disclosed8 May 2026
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Introduced: 8 May 2026

CVE-2026-43341  (opens in a new tab)
CWE-787  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rtla package and not the rtla package as distributed by RHEL.

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.