{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-22069",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-22069",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-04-16T14:12:22.357Z",
    "updatedAt": "2026-08-05T11:56:30.349Z",
    "importedAt": "2026-10-24T01:57:29.455Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "riscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to_handler",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv: fgraph: Fix stack layout to match __arch_ftrace_regs argument of ftrace_return_to_handler\n\nNaresh Kamboju reported a \"Bad frame pointer\" kernel warning while\nrunning LTP trace ftrace_stress_test.sh in riscv. We can reproduce the\nsame issue with the following command:\n\n```\n$ cd /sys/kernel/debug/tracing\n$ echo 'f:myprobe do_nanosleep%return args1=$retval' > dynamic_events\n$ echo 1 > events/fprobes/enable\n$ echo 1 > tracing_on\n$ sleep 1\n```\n\nAnd we can get the following kernel warning:\n\n[  127.692888] ------------[ cut here ]------------\n[  127.693755] Bad frame pointer: expected ff2000000065be50, received ba34c141e9594000\n[  127.693755]   from func do_nanosleep return to ffffffff800ccb16\n[  127.698699] WARNING: CPU: 1 PID: 129 at kernel/trace/fgraph.c:755 ftrace_return_to_handler+0x1b2/0x1be\n[  127.699894] Modules linked in:\n[  127.700908] CPU: 1 UID: 0 PID: 129 Comm: sleep Not tainted 6.14.0-rc3-g0ab191c74642 #32\n[  127.701453] Hardware name: riscv-virtio,qemu (DT)\n[  127.701859] epc : ftrace_return_to_handler+0x1b2/0x1be\n[  127.702032]  ra : ftrace_return_to_handler+0x1b2/0x1be\n[  127.702151] epc : ffffffff8013b5e0 ra : ffffffff8013b5e0 sp : ff2000000065bd10\n[  127.702221]  gp : ffffffff819c12f8 tp : ff60000080853100 t0 : 6e00000000000000\n[  127.702284]  t1 : 0000000000000020 t2 : 6e7566206d6f7266 s0 : ff2000000065bd80\n[  127.702346]  s1 : ff60000081262000 a0 : 000000000000007b a1 : ffffffff81894f20\n[  127.702408]  a2 : 0000000000000010 a3 : fffffffffffffffe a4 : 0000000000000000\n[  127.702470]  a5 : 0000000000000000 a6 : 0000000000000008 a7 : 0000000000000038\n[  127.702530]  s2 : ba34c141e9594000 s3 : 0000000000000000 s4 : ff2000000065bdd0\n[  127.702591]  s5 : 00007fff8adcf400 s6 : 000055556dc1d8c0 s7 : 0000000000000068\n[  127.702651]  s8 : 00007fff8adf5d10 s9 : 000000000000006d s10: 0000000000000001\n[  127.702710]  s11: 00005555737377c8 t3 : ffffffff819d899e t4 : ffffffff819d899e\n[  127.702769]  t5 : ffffffff819d89a0 t6 : ff2000000065bb18\n[  127.702826] status: 0000000200000120 badaddr: 0000000000000000 cause: 0000000000000003\n[  127.703292] [<ffffffff8013b5e0>] ftrace_return_to_handler+0x1b2/0x1be\n[  127.703760] [<ffffffff80017bce>] return_to_handler+0x16/0x26\n[  127.704009] [<ffffffff80017bb8>] return_to_handler+0x0/0x26\n[  127.704057] [<ffffffff800d3352>] common_nsleep+0x42/0x54\n[  127.704117] [<ffffffff800d44a2>] __riscv_sys_clock_nanosleep+0xba/0x10a\n[  127.704176] [<ffffffff80901c56>] do_trap_ecall_u+0x188/0x218\n[  127.704295] [<ffffffff8090cc3e>] handle_exception+0x14a/0x156\n[  127.705436] ---[ end trace 0000000000000000 ]---\n\nThe reason is that the stack layout for constructing argument for the\nftrace_return_to_handler in the return_to_handler does not match the\n__arch_ftrace_regs structure of riscv, leading to unexpected results.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "33d4e904e24d14ff0fbc528b657ddc7c7b636e6a",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7ed384db061a264bd806898f7ccab9b98b591488"
            },
            {
              "version": "a3ed4157b7d89800a0008de0c9e46a438a5c3745",
              "status": "affected",
              "versionType": "git",
              "lessThan": "78b39c587b8f6c69140177108f9c08a75b1c7c37"
            },
            {
              "version": "a3ed4157b7d89800a0008de0c9e46a438a5c3745",
              "status": "affected",
              "versionType": "git",
              "lessThan": "67a5ba8f742f247bc83e46dd2313c142b1383276"
            },
            {
              "version": "6.12.75",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.12.92"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.14"
            },
            {
              "version": "6.12.92",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.14.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}