page_pool: always add GFP_NOWARN for ATOMIC allocations
Published Dec 16, 2025
7.5
HIGHCVSS 3.1
EPSS 0.44%
Description
Driver authors often forget to add GFP_NOWARN for page allocation from the datapath. This is annoying to users as OOMs are a fact of life, and we pretty much expect network Rx to hit page allocation failures during OOM. Make page pool add GFP_NOWARN for ATOMIC allocations by default.
Affected products
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- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
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- Version 4.18StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<4.18
- Version 5.15.197StatusunaffectedConstraints<=5.15.*
- Version 6.1.159StatusunaffectedConstraints<=6.1.*
- Version 6.12.58StatusunaffectedConstraints<=6.12.*
- Version 6.17.8StatusunaffectedConstraints<=6.17.*
- Version 6.18StatusunaffectedConstraints<=*
- Version 6.6.117StatusunaffectedConstraints<=6.6.*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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No data.
No data.
Red Hat Enterprise Linux 10
kernel
Fix deferred
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Fix deferred
Red Hat Enterprise Linux 7
kernel-rt
Fix deferred
Red Hat Enterprise Linux 8
kernel
Fix deferred
Red Hat Enterprise Linux 8
kernel-rt
Fix deferred
Red Hat Enterprise Linux 9
kernel
Fix deferred
Red Hat Enterprise Linux 9
kernel-rt
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 10 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Fix deferred | n/a |
| Red Hat Enterprise Linux 9 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Fix deferred | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (11)
- https://access.redhat.com/security/cve/CVE-2025-68321 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2422811 Issue Tracking
- https://git.kernel.org/stable/c/0ec2cd5c58793d0c622797cd5fbe26634b357210
- https://git.kernel.org/stable/c/3671a0775952026228ae44e096eb144bca75f8dc
- https://git.kernel.org/stable/c/7613c06ffa89c1e2266fb532e23ef7dfdf269d73
- https://git.kernel.org/stable/c/9835a0fd59a1df5ec0740fdab6d50db68e0f10de
- https://git.kernel.org/stable/c/ab48dc0e23eb714b3f233f8e8f6deed7df2051f5
- https://git.kernel.org/stable/c/f3b52167a0cb23b27414452fbc1278da2ee884fc
- https://lore.kernel.org/linux-cve-announce/2025121622-CVE-2025-68321-72b0@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2025-68321
- https://www.cve.org/CVERecord?id=CVE-2025-68321
Change history (0)
No recorded changes yet.