CVE-2026-72023

CVE CVE-2026-72023EUVD EUVD-2026-58981Published 2026-08-15T05:51:48.000ZLast changed 2026-08-17T05:06:46.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fix SQB pointer leak on init failure otx2_init_hw_resources() initializes SQ aura and pool resources before several later setup steps. On failure, err_free_sq_ptrs only frees SQB pages, leaving the per-SQ sqb_ptrs arrays behind. Use otx2_free_sq_res() for the SQ unwind path and let it free sqb_ptrs even when sq->sqe has not been allocated yet. The bug was first flagged by an experimental analysis tool we are developing for kernel memory-management bugs while analyzing v6.13-rc1. The tool is still under development and is not yet publicly available. Manual inspection confirms that the bug is still present in v7.1.1. An x86_64 allyesconfig build showed no new warnings. As we do not have an OcteonTX2 PF device and the corresponding AF mailbox setup to test with, no runtime testing was able to be performed.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux caa2da34fd25a37e9fd43343b6966fb9d730a6d5 <23d917acd9c9a9fd999688ec3fdde7aa58ab8a14; patch: 7.1.5; patch: 6.12.101; caa2da34fd25a37e9fd43343b6966fb9d730a6d5 <5df30f05db96552903680a17f858d250dfd9e86e; patch: 6.18.40; caa2da34fd25a37e9fd43343b6966fb9d730a6d5 <5e023fe2569e630ba23b5558ebe4bf4837af4d16; patch: 7.2; caa2da34fd25a37e9fd43343b6966fb9d730a6d5 <62e7df6d042aeebd5efb581074e28865c04477be; 5.6; caa2da34fd25a37e9fd43343b6966fb9d730a6d5 <148d7ec0a3a98839c320e6cdd112e2e88bfb091b; patch: 6.6.148; patch: 0

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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