PT-2026-61271

CVE-2026-63954

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Published

2026-07-19

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Updated

2026-10-21

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A crash occurs in the hpfs module when the hpfs map dnode bitmap() function fails. In this scenario, the system attempts to call hpfs brelse4() using an uninitialized quad buffer head, leading to a system crash.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Vendors
Affected products
Related identifiers
CVE-2026-63954
AZL-92757
CLSA-2026-1791132991
CLSA-2026-1791876326
CLSA-2026-1791878869
USN-8593-1
USN-8603-1
USN-8618-1
USN-8663-1
USN-8664-1
USN-8728-1
USN-8728-2
USN-8728-3
USN-8875-1
USN-8875-2
USN-8877-1
USN-8878-1
USN-8879-1
USN-8886-1
USN-8903-1
USN-8903-2
USN-8904-1
USN-8905-1
USN-8905-2
USN-8906-1
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