CVE-2026-98867None▾ SunlitIn 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->subtr…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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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.
Linux >= 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 < 3d5a87cb909c1f375f08065b20123fa5db5958d8Linux >= 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 < 10449703200076980704894c3d68d6796182371bLinux >= 1d57628ff95b32d5cfa8d8f50e07690c161e9cf0 < 97fc4b53dbe4a983fdf093243067fa6a64562307Linux 6.18Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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