CVE-2026-64182
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-07-19
Modified: 2026-11-06
First seen: 2026-11-06
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
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.
Affected Software (11)
| Vendor | Product | Version |
|---|---|---|
| Linux | Linux | 5033091de814ab4b5623faed2755f3064e19e2d2 < 686b4283f82cd630fafd7ca9b03dfc080b3ec8fa |
| Linux | Linux | 5033091de814ab4b5623faed2755f3064e19e2d2 < ce60d9452a0f2effa72fd20ea270c59ca691d455 |
| Linux | Linux | 5033091de814ab4b5623faed2755f3064e19e2d2 < 24840b3139d7415144b81e4f9f4c44670d15bed9 |
| Linux | Linux | 5033091de814ab4b5623faed2755f3064e19e2d2 < 8502e2c2d0633f99d94d22ae8dabc10caae1fc2a |
| Linux | Linux | 5033091de814ab4b5623faed2755f3064e19e2d2 < 03a2cc1756a0570f887d624cd6c535ea0cbd4951 |
| Linux | Linux | 6.2 |
| linux | linux_kernel | 6.2 – 6.6.142 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |
| linux | linux_kernel | 7.1 |