CVE-2026-53353: hsr: Remove WARN_ONCE() in hsr_addr_is_self().
CSIRTS triage
- What
- This vulnerability involves the removal of WARN_ONCE() in hsr_addr_is_self().
- Who is affected
- Users of the hsr product may be affected.
- Urgency
- Remediation is important due to a medium severity rating and a CVSS score of 5.5.
- Action
- Apply the relevant updates to address this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-53353
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-533530.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-53353 | coverage & exploitation status | NVD · CVE.org |
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