{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53083", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.383Z", "datePublished": "2026-06-24T16:30:23.568Z", "dateUpdated": "2026-06-24T16:30:23.568Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-24T16:30:23.568Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix RCU stall in bpf_fd_array_map_clear()\n\nAdd a missing cond_resched() in bpf_fd_array_map_clear() loop.\n\nFor PROG_ARRAY maps with many entries this loop calls\nprog_array_map_poke_run() per entry which can be expensive, and\nwithout yielding this can cause RCU stalls under load:\n\n rcu: Stack dump where RCU GP kthread last ran:\n CPU: 0 UID: 0 PID: 30932 Comm: kworker/0:2 Not tainted 6.14.0-13195-g967e8def1100 #2 PREEMPT(undef)\n Workqueue: events prog_array_map_clear_deferred\n RIP: 0010:write_comp_data+0x38/0x90 kernel/kcov.c:246\n Call Trace:\n <TASK>\n prog_array_map_poke_run+0x77/0x380 kernel/bpf/arraymap.c:1096\n __fd_array_map_delete_elem+0x197/0x310 kernel/bpf/arraymap.c:925\n bpf_fd_array_map_clear kernel/bpf/arraymap.c:1000 [inline]\n prog_array_map_clear_deferred+0x119/0x1b0 kernel/bpf/arraymap.c:1141\n process_one_work+0x898/0x19d0 kernel/workqueue.c:3238\n process_scheduled_works kernel/workqueue.c:3319 [inline]\n worker_thread+0x770/0x10b0 kernel/workqueue.c:3400\n kthread+0x465/0x880 kernel/kthread.c:464\n ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153\n ret_from_fork_asm+0x19/0x30 arch/x86/entry/entry_64.S:245\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/arraymap.c"], "versions": [{"version": "da765a2f599304a81a25e77908d1790414ecdbb6", "lessThan": "b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd", "status": "affected", "versionType": "git"}, {"version": "da765a2f599304a81a25e77908d1790414ecdbb6", "lessThan": "71ddb7defc442ab38c53123c384fedbfd8410a15", "status": "affected", "versionType": "git"}, {"version": "da765a2f599304a81a25e77908d1790414ecdbb6", "lessThan": "e1ed678855e315f90c70c1723e94157a9a82e660", "status": "affected", "versionType": "git"}, {"version": "da765a2f599304a81a25e77908d1790414ecdbb6", "lessThan": "67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a", "status": "affected", "versionType": "git"}, {"version": "da765a2f599304a81a25e77908d1790414ecdbb6", "lessThan": "4406942e65ca128c56c67443832988873c21d2e9", "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/bpf/arraymap.c"], "versions": [{"version": "5.5", "status": "affected"}, {"version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.5", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd"}, {"url": "https://git.kernel.org/stable/c/71ddb7defc442ab38c53123c384fedbfd8410a15"}, {"url": "https://git.kernel.org/stable/c/e1ed678855e315f90c70c1723e94157a9a82e660"}, {"url": "https://git.kernel.org/stable/c/67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a"}, {"url": "https://git.kernel.org/stable/c/4406942e65ca128c56c67443832988873c21d2e9"}], "title": "bpf: Fix RCU stall in bpf_fd_array_map_clear()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: bpf: Fix RCU stall in bpf_fd_array_map_clear()", "id": "2492300", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492300"}, "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-820", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Fix RCU stall in bpf_fd_array_map_clear()\nAdd a missing cond_resched() in bpf_fd_array_map_clear() loop.\nFor PROG_ARRAY maps with many entries this loop calls\nprog_array_map_poke_run() per entry which can be expensive, and\nwithout yielding this can cause RCU stalls under load:\nrcu: Stack dump where RCU GP kthread last ran:\nCPU: 0 UID: 0 PID: 30932 Comm: kworker/0:2 Not tainted 6.14.0-13195-g967e8def1100 #2 PREEMPT(undef)\nWorkqueue: events prog_array_map_clear_deferred\nRIP: 0010:write_comp_data+0x38/0x90 kernel/kcov.c:246\nCall Trace:\n<TASK>\nprog_array_map_poke_run+0x77/0x380 kernel/bpf/arraymap.c:1096\n__fd_array_map_delete_elem+0x197/0x310 kernel/bpf/arraymap.c:925\nbpf_fd_array_map_clear kernel/bpf/arraymap.c:1000 [inline]\nprog_array_map_clear_deferred+0x119/0x1b0 kernel/bpf/arraymap.c:1141\nprocess_one_work+0x898/0x19d0 kernel/workqueue.c:3238\nprocess_scheduled_works kernel/workqueue.c:3319 [inline]\nworker_thread+0x770/0x10b0 kernel/workqueue.c:3400\nkthread+0x465/0x880 kernel/kthread.c:464\nret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153\nret_from_fork_asm+0x19/0x30 arch/x86/entry/entry_64.S:245\n</TASK>", "A flaw was found in the Linux kernel. A missing `cond_resched()` in the `bpf_fd_array_map_clear()` loop, specifically when handling BPF (Berkeley Packet Filter) `PROG_ARRAY` maps with numerous entries, can lead to an RCU (Read-Copy Update) stall. This can result in a Denial of Service (DoS) under heavy system load, as the kernel fails to yield CPU time, causing system unresponsiveness."], "name": "CVE-2026-53083", "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": "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": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53083\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53083\nhttps://lore.kernel.org/linux-cve-announce/2026062407-CVE-2026-53083-081f@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da765a2f599304a81a25e77908d1790414ecdbb6,b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da765a2f599304a81a25e77908d1790414ecdbb6,71ddb7defc442ab38c53123c384fedbfd8410a15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da765a2f599304a81a25e77908d1790414ecdbb6,e1ed678855e315f90c70c1723e94157a9a82e660)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da765a2f599304a81a25e77908d1790414ecdbb6,67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[da765a2f599304a81a25e77908d1790414ecdbb6,4406942e65ca128c56c67443832988873c21d2e9)"}}], "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": "5.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-24T19:15:15.569921+00:00", "updated": "2026-06-27T05:30:11.924115+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}