{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98790", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.370Z", "datePublished": "2026-10-18T15:48:27.412Z", "dateUpdated": "2026-10-30T12:39:50.548Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:39:50.548Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix race between perf_event_exit_task() and perf_pending_task()\n\nA race condition exists between perf_event_exit_task() and\nperf_pending_task() during begin_new_exec().\n\nDuring begin_new_exec(), perf_event_exit_task() may be called, and the\nPF_EXITING flag is not set on task. So perf_sigtrap() continues to execute\nand triggers WARN_ON_ONCE(event->ctx->task != current).\n\nSince both task exit and exec paths can call perf_event_exit_task() which\nsets ctx->task to TASK_TOMBSTONE, fix this by explicitly checking if\nevent->ctx->task equals TASK_TOMBSTONE and dropping the redundant\nPF_EXITING check."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/events/core.c"], "versions": [{"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "6e454fbe3e646d119ab75e907035950e0e857c09", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "a8a6fe5601fa2d2c0fbfb3e531a1063f73c1eae3", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "655acfa713bce9ae9c81a654459890c2f58cb4e8", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "672b8a9ce8f51b991481dfde26fba5cc4340a91a", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "524063fea29f8a841e49927ea7a8085194ad3ec2", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "81e61e3f8befa1bae3ec8e779d8ada5e5e362c21", "status": "affected", "versionType": "git"}, {"version": "97ba62b278674293762c3d91f724f1bb922f04e0", "lessThan": "ffb684f2aa141eeb0caa6308422e7e05d1ded7c4", "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/events/core.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.13", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6e454fbe3e646d119ab75e907035950e0e857c09"}, {"url": "https://git.kernel.org/stable/c/a8a6fe5601fa2d2c0fbfb3e531a1063f73c1eae3"}, {"url": "https://git.kernel.org/stable/c/655acfa713bce9ae9c81a654459890c2f58cb4e8"}, {"url": "https://git.kernel.org/stable/c/672b8a9ce8f51b991481dfde26fba5cc4340a91a"}, {"url": "https://git.kernel.org/stable/c/524063fea29f8a841e49927ea7a8085194ad3ec2"}, {"url": "https://git.kernel.org/stable/c/81e61e3f8befa1bae3ec8e779d8ada5e5e362c21"}, {"url": "https://git.kernel.org/stable/c/ffb684f2aa141eeb0caa6308422e7e05d1ded7c4"}], "title": "perf: Fix race between perf_event_exit_task() and perf_pending_task()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/events/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6e454fbe3e646d119ab75e907035950e0e857c09", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "a8a6fe5601fa2d2c0fbfb3e531a1063f73c1eae3", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "655acfa713bce9ae9c81a654459890c2f58cb4e8", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "672b8a9ce8f51b991481dfde26fba5cc4340a91a", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "524063fea29f8a841e49927ea7a8085194ad3ec2", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "81e61e3f8befa1bae3ec8e779d8ada5e5e362c21", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}, {"lessThan": "ffb684f2aa141eeb0caa6308422e7e05d1ded7c4", "status": "affected", "version": "97ba62b278674293762c3d91f724f1bb922f04e0", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/events/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf: Fix race between perf_event_exit_task() and perf_pending_task()\n\nA race condition exists between perf_event_exit_task() and\nperf_pending_task() during begin_new_exec().\n\nDuring begin_new_exec(), perf_event_exit_task() may be called, and the\nPF_EXITING flag is not set on task. So perf_sigtrap() continues to execute\nand triggers WARN_ON_ONCE(event->ctx->task != current).\n\nSince both task exit and exec paths can call perf_event_exit_task() which\nsets ctx->task to TASK_TOMBSTONE, fix this by explicitly checking if\nevent->ctx->task equals TASK_TOMBSTONE and dropping the redundant\nPF_EXITING check."}], "id": "CVE-2026-98790", "lastModified": "2026-10-30T13:21:28.013", "metrics": {}, "published": "2026-10-18T16:17:32.987", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/524063fea29f8a841e49927ea7a8085194ad3ec2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/655acfa713bce9ae9c81a654459890c2f58cb4e8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/672b8a9ce8f51b991481dfde26fba5cc4340a91a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e454fbe3e646d119ab75e907035950e0e857c09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/81e61e3f8befa1bae3ec8e779d8ada5e5e362c21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a8a6fe5601fa2d2c0fbfb3e531a1063f73c1eae3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ffb684f2aa141eeb0caa6308422e7e05d1ded7c4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: perf: Fix race between perf_event_exit_task() and perf_pending_task()", "id": "2555190", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555190"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-366", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nperf: Fix race between perf_event_exit_task() and perf_pending_task()\nA race condition exists between perf_event_exit_task() and\nperf_pending_task() during begin_new_exec().\nDuring begin_new_exec(), perf_event_exit_task() may be called, and the\nPF_EXITING flag is not set on task. So perf_sigtrap() continues to execute\nand triggers WARN_ON_ONCE(event->ctx->task != current).\nSince both task exit and exec paths can call perf_event_exit_task() which\nsets ctx->task to TASK_TOMBSTONE, fix this by explicitly checking if\nevent->ctx->task equals TASK_TOMBSTONE and dropping the redundant\nPF_EXITING check.", "A flaw was found in the Linux kernel's performance monitoring subsystem. A race condition occurs during process execution when cleaning up performance events while a task event is still pending. A local user could exploit this flaw to trigger an internal kernel warning, potentially leading to a Denial of Service (DoS) via system instability or a crash."], "name": "CVE-2026-98790", "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": "Out of support scope", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98790\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98790\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98790.mbox"], "threat_severity": "Moderate"}