Skip to content
Heist/ feed
Unrated

bpf: Avoid __bpf_prog_ret0_warn when jit fails

Type: advisorySource: Official CVE List1 source record

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: 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).

Announced Source revision 1
Original source ↗

CVE-2025-38280

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-38280

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "e7fb4ebee6e900899d2b2e5852c3e2eafcbcad66",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "ef92b96530d1731d9ac167bc7c193c683cd78fff",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "6f639c25bfad17d9fd7379ab91ff9678ea9aac85",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "2bc6dffb4b72d53d6a6ada510269bf548c3f7ae0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "0b9bb52796b239de6792d0d68cdc6eb505ebff96",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "fa9dd599b4dae841924b022768354cfde9affecb",
        "lessThan": "86bc9c742426a16b52a10ef61f5b721aecca2344",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5124abda3060e2eab506fb14a27acadee3c3e396",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "234646dcfc5f531c74ab20595e89eacd62e3611f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4.9.190",
        "lessThan": "4.10",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "4.14.140",
        "lessThan": "4.15",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "kernel/bpf/core.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "4.16"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "4.16",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.186",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.142",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.94",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.34",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.15.3",
        "versionType": "semver",
        "lessThanOrEqual": "6.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.16",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "kernel/bpf/core.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-38280

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#27028 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement