CVE-2026-93095 Linux Kernel - Out of Bounds Read/Write

Linux kernel contains a buffer overflow caused by improper validation of HFS+ thread record size and type in hfsplus_delete_cat(), letting attackers with a corrupted image trigger out-of-bounds write, exploit requires crafted corrupted HFS+ image.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
17 September 2026
Updated
15 October 2026

Vendor fix

Update to the latest Linux kernel version containing the fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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