{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54268", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:44.518Z", "datePublished": "2025-12-30T12:15:59.598Z", "dateUpdated": "2025-12-30T12:15:59.598Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:15:59.598Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Don't wake up kswapd from fill_pool()\n\nsyzbot is reporting a lockdep warning in fill_pool() because the allocation\nfrom debugobjects is using GFP_ATOMIC, which is (__GFP_HIGH | __GFP_KSWAPD_RECLAIM)\nand therefore tries to wake up kswapd, which acquires kswapd_wait::lock.\n\nSince fill_pool() might be called with arbitrary locks held, fill_pool()\nshould not assume that acquiring kswapd_wait::lock is safe.\n\nUse __GFP_HIGH instead and remove __GFP_NORETRY as it is pointless for\n!__GFP_DIRECT_RECLAIM allocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["lib/debugobjects.c"], "versions": [{"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "be646802b3dc408c4dc72a3ac32c3f4a0282414d", "status": "affected", "versionType": "git"}, {"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "fd673079749bac97bb30f1461df079e6c8e86511", "status": "affected", "versionType": "git"}, {"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "aee97eec77029270866c704f66cdf2881cbd2fe1", "status": "affected", "versionType": "git"}, {"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "d7fff52c99d52f180d8bef95d8ed8fec6343889c", "status": "affected", "versionType": "git"}, {"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "4c088d30a72d9b8f9c6ae9362222942e4075cb00", "status": "affected", "versionType": "git"}, {"version": "3ac7fe5a4aab409bd5674d0b070bce97f9d20872", "lessThan": "eb799279fb1f9c63c520fe8c1c41cb9154252db6", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["lib/debugobjects.c"], "versions": [{"version": "2.6.26", "status": "affected"}, {"version": "0", "lessThan": "2.6.26", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.244", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.181", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.114", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.31", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3.5", "lessThanOrEqual": "6.3.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.4.244"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.10.181"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.15.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.1.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.3.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/be646802b3dc408c4dc72a3ac32c3f4a0282414d"}, {"url": "https://git.kernel.org/stable/c/fd673079749bac97bb30f1461df079e6c8e86511"}, {"url": "https://git.kernel.org/stable/c/aee97eec77029270866c704f66cdf2881cbd2fe1"}, {"url": "https://git.kernel.org/stable/c/d7fff52c99d52f180d8bef95d8ed8fec6343889c"}, {"url": "https://git.kernel.org/stable/c/4c088d30a72d9b8f9c6ae9362222942e4075cb00"}, {"url": "https://git.kernel.org/stable/c/eb799279fb1f9c63c520fe8c1c41cb9154252db6"}], "title": "debugobjects: Don't wake up kswapd from fill_pool()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Don't wake up kswapd from fill_pool()\n\nsyzbot is reporting a lockdep warning in fill_pool() because the allocation\nfrom debugobjects is using GFP_ATOMIC, which is (__GFP_HIGH | __GFP_KSWAPD_RECLAIM)\nand therefore tries to wake up kswapd, which acquires kswapd_wait::lock.\n\nSince fill_pool() might be called with arbitrary locks held, fill_pool()\nshould not assume that acquiring kswapd_wait::lock is safe.\n\nUse __GFP_HIGH instead and remove __GFP_NORETRY as it is pointless for\n!__GFP_DIRECT_RECLAIM allocation."}], "id": "CVE-2023-54268", "lastModified": "2025-12-31T20:42:43.210", "metrics": {}, "published": "2025-12-30T13:16:15.623", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4c088d30a72d9b8f9c6ae9362222942e4075cb00"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aee97eec77029270866c704f66cdf2881cbd2fe1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/be646802b3dc408c4dc72a3ac32c3f4a0282414d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d7fff52c99d52f180d8bef95d8ed8fec6343889c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb799279fb1f9c63c520fe8c1c41cb9154252db6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd673079749bac97bb30f1461df079e6c8e86511"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: debugobjects: Don't wake up kswapd from fill_pool()", "id": "2426091", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426091"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2023-54268", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54268\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54268\nhttps://lore.kernel.org/linux-cve-announce/2025123000-CVE-2023-54268-3ba2@gregkh/T"], "threat_severity": "Low"}