{"id":"CVE-2025-68321","title":"In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: always add GFP_NOWARN for ATOMIC allocations\n\nDriver authors often forget to add GFP_NOWARN for page allocation\nfrom the datapath","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: always add GFP_NOWARN for ATOMIC allocations\n\nDriver authors often forget to add GFP_NOWARN for page allocation\nfrom the datapath. This is annoying to users …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-390"],"vendor":"Linux","product":"Linux","affected":["Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 0ec2cd5c58793d0c622797cd5fbe26634b357210","Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 9835a0fd59a1df5ec0740fdab6d50db68e0f10de","Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 7613c06ffa89c1e2266fb532e23ef7dfdf269d73","Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 3671a0775952026228ae44e096eb144bca75f8dc","Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < ab48dc0e23eb714b3f233f8e8f6deed7df2051f5","Linux >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < f3b52167a0cb23b27414452fbc1278da2ee884fc","Linux 4.18"],"published":"2025-12-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T15:16:51.303","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68321","references":[{"url":"https://git.kernel.org/stable/c/0ec2cd5c58793d0c622797cd5fbe26634b357210","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3671a0775952026228ae44e096eb144bca75f8dc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7613c06ffa89c1e2266fb532e23ef7dfdf269d73","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9835a0fd59a1df5ec0740fdab6d50db68e0f10de","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ab48dc0e23eb714b3f233f8e8f6deed7df2051f5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f3b52167a0cb23b27414452fbc1278da2ee884fc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68321.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-68321"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2422811"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-68321"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-68321"},{"url":"https://lore.kernel.org/linux-cve-announce/2025121622-CVE-2025-68321-72b0@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00441,"epssPercentile":0.3816,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-16T15:04:40.319034Z"},"scores":{"nvd":7.5,"vendor":5.5},"ingestedAt":"2026-10-13T11:23:51.108Z","slug":"CVE-2025-68321","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\npage_pool: always add GFP_NOWARN for ATOMIC allocations\n\nDriver authors often forget to add GFP_NOWARN for page allocation\nfrom the datapath. This is annoying to users as OOMs are a fact\nof life, and we pretty much expect network Rx to hit page allocation\nfailures during OOM. Make page pool add GFP_NOWARN for ATOMIC allocations\nby default.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68321.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}