{"api_version":"1","generated_at":"2026-06-25T09:53:32+00:00","cve":"CVE-2026-53083","urls":{"html":"https://cve.report/CVE-2026-53083","api":"https://cve.report/api/cve/CVE-2026-53083.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53083","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53083"},"summary":{"title":"bpf: Fix RCU stall in bpf_fd_array_map_clear()","description":"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>","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:22","updated_at":"2026-06-24 17:17:22"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/71ddb7defc442ab38c53123c384fedbfd8410a15","name":"https://git.kernel.org/stable/c/71ddb7defc442ab38c53123c384fedbfd8410a15","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4406942e65ca128c56c67443832988873c21d2e9","name":"https://git.kernel.org/stable/c/4406942e65ca128c56c67443832988873c21d2e9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e1ed678855e315f90c70c1723e94157a9a82e660","name":"https://git.kernel.org/stable/c/e1ed678855e315f90c70c1723e94157a9a82e660","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd","name":"https://git.kernel.org/stable/c/b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a","name":"https://git.kernel.org/stable/c/67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53083","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53083","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da765a2f599304a81a25e77908d1790414ecdbb6 b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da765a2f599304a81a25e77908d1790414ecdbb6 71ddb7defc442ab38c53123c384fedbfd8410a15 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da765a2f599304a81a25e77908d1790414ecdbb6 e1ed678855e315f90c70c1723e94157a9a82e660 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da765a2f599304a81a25e77908d1790414ecdbb6 67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected da765a2f599304a81a25e77908d1790414ecdbb6 4406942e65ca128c56c67443832988873c21d2e9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.5","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.5 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/bpf/arraymap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd","status":"affected","version":"da765a2f599304a81a25e77908d1790414ecdbb6","versionType":"git"},{"lessThan":"71ddb7defc442ab38c53123c384fedbfd8410a15","status":"affected","version":"da765a2f599304a81a25e77908d1790414ecdbb6","versionType":"git"},{"lessThan":"e1ed678855e315f90c70c1723e94157a9a82e660","status":"affected","version":"da765a2f599304a81a25e77908d1790414ecdbb6","versionType":"git"},{"lessThan":"67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a","status":"affected","version":"da765a2f599304a81a25e77908d1790414ecdbb6","versionType":"git"},{"lessThan":"4406942e65ca128c56c67443832988873c21d2e9","status":"affected","version":"da765a2f599304a81a25e77908d1790414ecdbb6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/bpf/arraymap.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.5"},{"lessThan":"5.5","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"5.5","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"5.5","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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>"}],"providerMetadata":{"dateUpdated":"2026-06-24T16:30:23.568Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53083","datePublished":"2026-06-24T16:30:23.568Z","dateReserved":"2026-06-09T07:44:35.383Z","dateUpdated":"2026-06-24T16:30:23.568Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:22","lastModifiedDate":"2026-06-24 17:17:22","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53083","Ordinal":"1","Title":"bpf: Fix RCU stall in bpf_fd_array_map_clear()","CVE":"CVE-2026-53083","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53083","Ordinal":"1","NoteData":"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>","Type":"Description","Title":"bpf: Fix RCU stall in bpf_fd_array_map_clear()"}]}}}