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  <Vulinfo revisionno="1" lang="ja" invalidated="false">
    <VulinfoID>JVNDB-2026-025031</VulinfoID>
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      <Title>Linux&#12398;Linux Kernel&#12395;&#12362;&#12369;&#12427;&#19981;&#29305;&#23450;&#12398;&#33030;&#24369;&#24615;</Title>
      <VulinfoDescription>
        <Overview>Linux&#12459;&#12540;&#12493;&#12523;&#12395;&#12362;&#12356;&#12390;&#12289;&#20197;&#19979;&#12398;&#33030;&#24369;&#24615;&#12364;&#20462;&#27491;&#12373;&#12428;&#12414;&#12375;&#12383;&#12290;bpf: bpf_fd_array_map_clear()&#20869;&#12398;RCU&#12473;&#12479;&#12540;&#12523;&#12434;&#20462;&#27491;&#12375;&#12414;&#12375;&#12383;&#12290;bpf_fd_array_map_clear()&#12398;&#12523;&#12540;&#12503;&#12395;&#27424;&#33853;&#12375;&#12390;&#12356;&#12383;cond_resched()&#12434;&#36861;&#21152;&#12375;&#12414;&#12375;&#12383;&#12290;&#22810;&#25968;&#12398;&#12456;&#12531;&#12488;&#12522;&#12434;&#25345;&#12388;PROG_ARRAY&#12510;&#12483;&#12503;&#12391;&#12399;&#12289;&#12371;&#12398;&#12523;&#12540;&#12503;&#12364;&#12456;&#12531;&#12488;&#12522;&#12372;&#12392;&#12395;prog_array_map_poke_run()&#12434;&#21628;&#12403;&#20986;&#12377;&#12383;&#12417;&#12289;&#12467;&#12473;&#12488;&#12364;&#39640;&#12367;&#12394;&#12427;&#21487;&#33021;&#24615;&#12364;&#12354;&#12426;&#12414;&#12377;&#12290;yield&#12375;&#12394;&#12356;&#22580;&#21512;&#12289;&#12371;&#12428;&#12399;&#36000;&#33655;&#26178;&#12395;RCU&#12473;&#12479;&#12540;&#12523;&#12434;&#24341;&#12365;&#36215;&#12371;&#12377;&#12371;&#12392;&#12364;&#12354;&#12426;&#12414;&#12377;&#12290;  rcu: Stack dump where RCU GP kthread last ran:  CPU: 0 UID: 0 PID: 30932 Comm: kworker/0:2 Not tainted 6.14.0-13195-g967e8def1100 #2 PREEMPT(undef)  Workqueue: events prog_array_map_clear_deferred  RIP: 0010:write_comp_data+0x38/0x90 kernel/kcov.c:246  Call Trace:   &#65308;TASK&#65310;   prog_array_map_poke_run+0x77/0x380 kernel/bpf/arraymap.c:1096   __fd_array_map_delete_elem+0x197/0x310 kernel/bpf/arraymap.c:925   bpf_fd_array_map_clear kernel/bpf/arraymap.c:1000 [inline]   prog_array_map_clear_deferred+0x119/0x1b0 kernel/bpf/arraymap.c:1141   process_one_work+0x898/0x19d0 kernel/workqueue.c:3238   process_scheduled_works kernel/workqueue.c:3319 [inline]   worker_thread+0x770/0x10b0 kernel/workqueue.c:3400   kthread+0x465/0x880 kernel/kthread.c:464   ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:153   ret_from_fork_asm+0x19/0x30 arch/x86/entry/entry_64.S:245   &#65308;/TASK&#65310;</Overview>
      </VulinfoDescription>
      <Affected>
        <AffectedItem affectedstatus="vulnerable">
          <Lapt>cpe:/o:linux:linux_kernel</Lapt>
        </AffectedItem>
      </Affected>
      <FactAnalysis>
      </FactAnalysis>
      <Related>
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          <URL>https://jvndb.jvn.jp/ja/contents/2026/JVNDB-2026-025031.html</URL>
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        <RelatedItem relationtype="alternate" origin="other">
          <Name>Common Vulnerabilities and Exposures (CVE)</Name>
          <VulinfoID>CVE-2026-53083</VulinfoID>
          <URL>https://www.cve.org/CVERecord?id=CVE-2026-53083</URL>
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        <RelatedItem relationtype="alternate" origin="other">
          <Name>National Vulnerability Database (NVD)</Name>
          <VulinfoID>CVE-2026-53083</VulinfoID>
          <URL>https://nvd.nist.gov/vuln/detail/CVE-2026-53083</URL>
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          <Name>JVNDB</Name>
          <VulinfoID>CWE-noinfo</VulinfoID>
          <Title>&#24773;&#22577;&#19981;&#36275;</Title>
          <URL>https://www.ipa.go.jp/security/vuln/scap/cwe.html</URL>
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        <RelatedItem relationtype="reference" origin="other">
          <Name>&#38306;&#36899;&#25991;&#26360;</Name>
          <VulinfoID>bpf: Fix RCU stall in bpf_fd_array_map_clear() - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd)</VulinfoID>
          <URL>https://git.kernel.org/stable/c/b1f7158a86f3cbac4d5a32beb55ca0f8027d44cd</URL>
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          <Name>&#38306;&#36899;&#25991;&#26360;</Name>
          <VulinfoID>https://git.kernel.org/stable/c/4406942e65ca128c56c67443832988873c21d2e9</VulinfoID>
          <URL>https://git.kernel.org/stable/c/4406942e65ca128c56c67443832988873c21d2e9</URL>
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          <Name>&#38306;&#36899;&#25991;&#26360;</Name>
          <VulinfoID>bpf: Fix RCU stall in bpf_fd_array_map_clear() - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a)</VulinfoID>
          <URL>https://git.kernel.org/stable/c/67bdb4b0d26f2d6bbf1798a925ef5a3b9ed7357a</URL>
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        <RelatedItem relationtype="reference" origin="other">
          <Name>&#38306;&#36899;&#25991;&#26360;</Name>
          <VulinfoID>bpf: Fix RCU stall in bpf_fd_array_map_clear() - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/e1ed678855e315f90c70c1723e94157a9a82e660)</VulinfoID>
          <URL>https://git.kernel.org/stable/c/e1ed678855e315f90c70c1723e94157a9a82e660</URL>
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        <RelatedItem relationtype="reference" origin="other">
          <Name>&#38306;&#36899;&#25991;&#26360;</Name>
          <VulinfoID>bpf: Fix RCU stall in bpf_fd_array_map_clear() - kernel/git/stable/linux.git - Linux kernel stable tree (https://git.kernel.org/stable/c/71ddb7defc442ab38c53123c384fedbfd8410a15)</VulinfoID>
          <URL>https://git.kernel.org/stable/c/71ddb7defc442ab38c53123c384fedbfd8410a15</URL>
        </RelatedItem>
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      <DateFirstPublished>2026-07-24T17:25:00+09:00</DateFirstPublished>
      <DateLastUpdated>2026-07-24T17:25:00+09:00</DateLastUpdated>
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