fkie_cve-2025-38280
Vulnerability from fkie_nvd
Published
2025-07-10 08:15
Modified
2025-12-18 16:51
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid __bpf_prog_ret0_warn when jit fails syzkaller reported an issue: WARNING: CPU: 3 PID: 217 at kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 Modules linked in: CPU: 3 UID: 0 PID: 217 Comm: kworker/u32:6 Not tainted 6.15.0-rc4-syzkaller-00040-g8bac8898fe39 RIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 Call Trace: <TASK> bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] cls_bpf_classify+0x74a/0x1110 net/sched/cls_bpf.c:105 ... When creating bpf program, 'fp->jit_requested' depends on bpf_jit_enable. This issue is triggered because of CONFIG_BPF_JIT_ALWAYS_ON is not set and bpf_jit_enable is set to 1, causing the arch to attempt JIT the prog, but jit failed due to FAULT_INJECTION. As a result, incorrectly treats the program as valid, when the program runs it calls `__bpf_prog_ret0_warn` and triggers the WARN_ON_ONCE(1).
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b9bb52796b239de6792d0d68cdc6eb505ebff96Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2bc6dffb4b72d53d6a6ada510269bf548c3f7ae0Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6f639c25bfad17d9fd7379ab91ff9678ea9aac85Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/86bc9c742426a16b52a10ef61f5b721aecca2344Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e7fb4ebee6e900899d2b2e5852c3e2eafcbcad66Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ef92b96530d1731d9ac167bc7c193c683cd78fffPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory, Mailing List
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
debian debian_linux 11.0


To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Avoid __bpf_prog_ret0_warn when jit fails\n\nsyzkaller reported an issue:\n\nWARNING: CPU: 3 PID: 217 at kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357\nModules linked in:\nCPU: 3 UID: 0 PID: 217 Comm: kworker/u32:6 Not tainted 6.15.0-rc4-syzkaller-00040-g8bac8898fe39\nRIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357\nCall Trace:\n \u003cTASK\u003e\n bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline]\n __bpf_prog_run include/linux/filter.h:718 [inline]\n bpf_prog_run include/linux/filter.h:725 [inline]\n cls_bpf_classify+0x74a/0x1110 net/sched/cls_bpf.c:105\n ...\n\nWhen creating bpf program, \u0027fp-\u003ejit_requested\u0027 depends on bpf_jit_enable.\nThis issue is triggered because of CONFIG_BPF_JIT_ALWAYS_ON is not set\nand bpf_jit_enable is set to 1, causing the arch to attempt JIT the prog,\nbut jit failed due to FAULT_INJECTION. As a result, incorrectly\ntreats the program as valid, when the program runs it calls\n`__bpf_prog_ret0_warn` and triggers the WARN_ON_ONCE(1)."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: evitar __bpf_prog_ret0_warn cuando falla jit syzkaller inform\u00f3 un problema: ADVERTENCIA: CPU: 3 PID: 217 en kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 M\u00f3dulos vinculados: CPU: 3 UID: 0 PID: 217 Comm: kworker/u32:6 No contaminado 6.15.0-rc4-syzkaller-00040-g8bac8898fe39 RIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357 Rastreo de llamadas:  bpf_dispatcher_nop_func include/linux/bpf.h:1316 [en l\u00ednea] __bpf_prog_run include/linux/filter.h:718 [en l\u00ednea] bpf_prog_run include/linux/filter.h:725 [en l\u00ednea] cls_bpf_classify+0x74a/0x1110 net/sched/cls_bpf.c:105 ... Al crear un programa bpf, \u0027fp-\u0026gt;jit_requested\u0027 depende de bpf_jit_enable. Este problema se produce porque CONFIG_BPF_JIT_ALWAYS_ON no est\u00e1 configurado y bpf_jit_enable est\u00e1 configurado en 1, lo que provoca que la arquitectura intente ejecutar el programa JIT, pero el JIT falla debido a FAULT_INJECTION. Como resultado, trata incorrectamente el programa como v\u00e1lido, cuando el programa se ejecuta llama a `__bpf_prog_ret0_warn` y activa WARN_ON_ONCE(1)."
    }
  ],
  "id": "CVE-2025-38280",
  "lastModified": "2025-12-18T16:51:30.477",
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          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-07-10T08:15:26.353",
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  "vulnStatus": "Analyzed",
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          "value": "NVD-CWE-noinfo"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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}


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