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Release of Invalid Pointer or Reference The advisory has been revoked - it doesn't affect any version of package rtla  (opens in a new tab)

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  • Snyk IDSNYK-RHEL10-RTLA-17511546
  • published26 Jun 2026
  • disclosed24 Jun 2026
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Introduced: 24 Jun 2026

CVE-2026-52993  (opens in a new tab)
CWE-763  (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:

tipc: fix double-free in tipc_buf_append()

tipc_msg_validate() can potentially reallocate the skb it is validating, freeing the old one. In tipc_buf_append(), it was being called with a pointer to a local variable which was a copy of the caller's skb pointer.

If the skb was reallocated and validation subsequently failed, the error handling path would free the original skb pointer, which had already been freed, leading to double-free.

Fix this by checking if head now points to a newly allocated reassembled skb. If it does, reassign *headbuf for later freeing operations.

References