{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43010", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.974Z", "datePublished": "2026-05-01T14:15:16.947Z", "dateUpdated": "2026-05-01T14:15:16.947Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-01T14:15:16.947Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject sleepable kprobe_multi programs at attach time\n\nkprobe.multi programs run in atomic/RCU context and cannot sleep.\nHowever, bpf_kprobe_multi_link_attach() did not validate whether the\nprogram being attached had the sleepable flag set, allowing sleepable\nhelpers such as bpf_copy_from_user() to be invoked from a non-sleepable\ncontext.\n\nThis causes a \"sleeping function called from invalid context\" splat:\n\n BUG: sleeping function called from invalid context at ./include/linux/uaccess.h:169\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1787, name: sudo\n preempt_count: 1, expected: 0\n RCU nest depth: 2, expected: 0\n\nFix this by rejecting sleepable programs early in\nbpf_kprobe_multi_link_attach(), before any further processing."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/bpf_trace.c"], "versions": [{"version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3", "status": "affected", "versionType": "git"}, {"version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "f952157e695fd434bdc05af63a703bb082a78717", "status": "affected", "versionType": "git"}, {"version": "0dcac272540613d41c05e89679e4ddb978b612f1", "lessThan": "eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/bpf_trace.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.22", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.12", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "5.18", "versionEndExcluding": "6.18.22"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.19.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3"}, {"url": "https://git.kernel.org/stable/c/f952157e695fd434bdc05af63a703bb082a78717"}, {"url": "https://git.kernel.org/stable/c/eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8"}], "title": "bpf: Reject sleepable kprobe_multi programs at attach time", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Reject sleepable kprobe_multi programs at attach time\n\nkprobe.multi programs run in atomic/RCU context and cannot sleep.\nHowever, bpf_kprobe_multi_link_attach() did not validate whether the\nprogram being attached had the sleepable flag set, allowing sleepable\nhelpers such as bpf_copy_from_user() to be invoked from a non-sleepable\ncontext.\n\nThis causes a \"sleeping function called from invalid context\" splat:\n\n BUG: sleeping function called from invalid context at ./include/linux/uaccess.h:169\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1787, name: sudo\n preempt_count: 1, expected: 0\n RCU nest depth: 2, expected: 0\n\nFix this by rejecting sleepable programs early in\nbpf_kprobe_multi_link_attach(), before any further processing."}], "id": "CVE-2026-43010", "lastModified": "2026-05-01T15:24:14.893", "metrics": {}, "published": "2026-05-01T15:16:44.887", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f952157e695fd434bdc05af63a703bb082a78717"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bpf: Reject sleepable kprobe_multi programs at attach time", "id": "2464451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464451"}, "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"}, "cwe": "CWE-663", "details": ["A flaw was found in the Linux kernel. A local user could attach a sleepable BPF kprobe_multi program, which allows sleepable helper functions, such as bpf_copy_from_user(), to be invoked from a non-sleepable context. This incorrect handling can lead to a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-43010", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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": "2026-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43010\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43010\nhttps://lore.kernel.org/linux-cve-announce/2026050154-CVE-2026-43010-aef9@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0dcac272540613d41c05e89679e4ddb978b612f1,dc9a060d76c12b23c5f378ee115d5e5d03d8bbf3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0dcac272540613d41c05e89679e4ddb978b612f1,f952157e695fd434bdc05af63a703bb082a78717)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0dcac272540613d41c05e89679e4ddb978b612f1,eb7024bfcc5f68ed11ed9dd4891a3073c15f04a8)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.18]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.22,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.12,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-01T18:45:15.325277+00:00", "updated": "2026-05-02T12:15:25.965560+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}