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Not yet scoredPublished Dec 30, 2025

CVE-2023-54268debugobjects: Don't wake up kswapd from fill_pool()

Updated under an hour ago ()

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No exploitation reported and no EPSS estimate yet.

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In the Linux kernel, the following vulnerability has been resolved: debugobjects: Don't wake up kswapd from fill_pool() syzbot is reporting a lockdep warning in fill_pool() because the allocation from debugobjects is using GFP_ATOMIC, which is (__GFP_HIGH | __GFP_KSWAPD_RECLAIM) and therefore tries to wake up kswapd, which acquires kswapd_wait::lock. Since fill_pool() might be called with arbitrary locks held, fill_pool() should not assume that acquiring kswapd_wait::lock is safe. Use __GFP_HIGH instead and remove __GFP_NORETRY as it is pointless for !__GFP_DIRECT_RECLAIM allocation.

CVSS
Not yet scored
Weakness (CWE)
Not given
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Linux
NVD analysis
Deferred
Record last updated
May 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Linux Linux
linux:linux (from the name)
from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before be646802b3dc408c4dc72a3ac32c3f4a0282414d; from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before fd673079749bac97bb30f1461df079e6c8e86511; from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before aee97eec77029270866c704f66cdf2881cbd2fe1; from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before d7fff52c99d52f180d8bef95d8ed8fec6343889c; from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before 4c088d30a72d9b8f9c6ae9362222942e4075cb00; from 3ac7fe5a4aab409bd5674d0b070bce97f9d20872 before eb799279fb1f9c63c520fe8c1c41cb9154252db6
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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