CVE-2026-64361
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1
CSIRTS triage
- What
- This vulnerability involves a u32 overflow in the check_and_correct_requested_length function in hfs/hfsplus.
- Who is affected
- Deployments of the Linux kernel using hfs/hfsplus are affected.
- Urgency
- Remediation is necessary to prevent potential issues, though exploitation is not confirmed.
- Action
- Apply the latest kernel patches that address this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
- highCVE-2026-64361: In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: fix u32 overf…nvd · 2026-07-25
- highCVE-2026-64361: hfs/hfsplus: fix u32 overflow in check_and_correct_requested_lengthmsrc · 2026-07-14
External references
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