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CVE-2025-68321— page_pool: always add GFP_NOWARN for ATOMIC allocations

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未在原子分配中默认添加GFP_NOWARN标志，可能导致OOM时产生不必要的警告。

CVSS 7.5 · High EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux ff7d6b27f894f1469dc51ccb828b7363ccd9799f< 0ec2cd5c58793d0c622797cd5fbe26634b357210 affected
ff7d6b27f894f1469dc51ccb828b7363ccd9799f< 9835a0fd59a1df5ec0740fdab6d50db68e0f10de affected
ff7d6b27f894f1469dc51ccb828b7363ccd9799f< 7613c06ffa89c1e2266fb532e23ef7dfdf269d73 affected
ff7d6b27f894f1469dc51ccb828b7363ccd9799f< 3671a0775952026228ae44e096eb144bca75f8dc affected
ff7d6b27f894f1469dc51ccb828b7363ccd9799f< ab48dc0e23eb714b3f233f8e8f6deed7df2051f5 affected
ff7d6b27f894f1469dc51ccb828b7363ccd9799f< f3b52167a0cb23b27414452fbc1278da2ee884fc affected
4.18 affected
< 4.18 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-68321

Vulnerability Information
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Vulnerability Title
page_pool: always add GFP_NOWARN for ATOMIC allocations
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: page_pool: always add GFP_NOWARN for ATOMIC allocations 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未在原子分配中默认添加GFP_NOWARN标志，可能导致OOM时产生不必要的警告。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux ff7d6b27f894f1469dc51ccb828b7363ccd9799f ~ 0ec2cd5c58793d0c622797cd5fbe26634b357210 -
Linux Linux 4.18 -

II. Public POCs for CVE-2025-68321

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III. Intelligence Information for CVE-2025-68321

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Other References for CVE-2025-68321 (6)

Same Patch Batch · Linux · 2025-12-16 · 156 CVEs total

CVE-2025-68263 9.8 CRITICAL ksmbd: ipc: fix use-after-free in ipc_msg_send_request
CVE-2025-68284 9.8 CRITICAL libceph: prevent potential out-of-bounds writes in handle_auth_session_key()
CVE-2025-68301 9.8 CRITICAL net: atlantic: fix fragment overflow handling in RX path
CVE-2025-40350 9.8 CRITICAL net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for striding RQ
CVE-2025-68285 9.8 CRITICAL libceph: fix potential use-after-free in have_mon_and_osd_map()
CVE-2025-68192 9.8 CRITICAL net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup
CVE-2025-68315 9.8 CRITICAL f2fs: fix to detect potential corrupted nid in free_nid_list
CVE-2025-68226 8.8 HIGH smb: client: fix incomplete backport in cfids_invalidation_worker()
CVE-2025-40362 8.8 HIGH ceph: fix multifs mds auth caps issue
CVE-2025-68304 8.8 HIGH Bluetooth: hci_core: lookup hci_conn on RX path on protocol side
CVE-2025-68255 8.8 HIGH staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing
CVE-2025-68314 8.8 HIGH drm/msm: make sure last_fence is always updated
CVE-2025-68256 8.8 HIGH staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser
CVE-2025-68250 8.2 HIGH hung_task: fix warnings caused by unaligned lock pointers
CVE-2025-68260 7.8 HIGH rust_binder: fix race condition on death_list
CVE-2025-68171 7.8 HIGH x86/fpu: Ensure XFD state on signal delivery
CVE-2025-68234 7.8 HIGH io_uring/cmd_net: fix wrong argument types for skb_queue_splice()
CVE-2025-68175 7.8 HIGH media: nxp: imx8-isi: Fix streaming cleanup on release
CVE-2025-68189 7.8 HIGH drm/msm: Fix GEM free for imported dma-bufs
CVE-2025-68294 7.8 HIGH io_uring/net: ensure vectored buffer node import is tied to notification

Showing top 20 of 156 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-68321

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