CVE-2026-64182None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: drivers/base/memory: fix memory block reference leak in poison accounting memblk_nr_poison_inc() and memblk_nr_poison_sub() look up a memory block via find_memory_bloc…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
drivers/base/memory: fix memory block reference leak in poison accounting
memblk_nr_poison_inc() and memblk_nr_poison_sub() look up a memory block via find_memory_block_by_id(), which acquires a reference to the memory block device.
Both helpers use the returned memory block without dropping that reference, leaking the device reference on each successful lookup. Drop the reference after updating nr_hwpoison.
Linux >= 5033091de814ab4b5623faed2755f3064e19e2d2 < 686b4283f82cd630fafd7ca9b03dfc080b3ec8faLinux >= 5033091de814ab4b5623faed2755f3064e19e2d2 < ce60d9452a0f2effa72fd20ea270c59ca691d455Linux >= 5033091de814ab4b5623faed2755f3064e19e2d2 < 24840b3139d7415144b81e4f9f4c44670d15bed9Linux >= 5033091de814ab4b5623faed2755f3064e19e2d2 < 8502e2c2d0633f99d94d22ae8dabc10caae1fc2aLinux >= 5033091de814ab4b5623faed2755f3064e19e2d2 < 03a2cc1756a0570f887d624cd6c535ea0cbd4951Linux 6.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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