CVE-2026-98867

dm-pcache: bound the logical key offset from persistent memory

CVE-2026-98867 is fixed in linux on 1 platform by DEBIAN-CVE-2026-98867 (version 7.2.10-1), released October 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
4th percentile

In the Linux kernel, the following vulnerability has been resolved: dm-pcache: bound the logical key offset from persistent memory cache_key_decode() takes a key's logical off from the cache device and later indexes req_key_tree->subtrees[] by it in get_subtree(). An off past the device forms a subtree pointer outside the array, which rb_insert() writes through during replay. Reject a key of zero length, or whose off+len (computed in 64 bits) exceeds the device size, before it is used.

Where it's fixed

ProductFixed inFixReleased
Linux
linux · Debian 14 7.2.10-1 DEBIAN-CVE-2026-98867 Oct 19, 2026

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