CVE-2023-52995 (GCVE-0-2023-52995)
Vulnerability from cvelistv5
Published
2025-03-27 16:43
Modified
2025-05-04 07:47
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fix instruction simulation of JALR Set kprobe at 'jalr 1140(ra)' of vfs_write results in the following crash: [ 32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170 [ 32.093115] Oops [#1] [ 32.093251] Modules linked in: [ 32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16 [ 32.093985] Hardware name: riscv-virtio,qemu (DT) [ 32.094280] epc : ksys_read+0x88/0xd6 [ 32.094855] ra : ksys_read+0xc0/0xd6 [ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0 [ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80 [ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60 [ 32.095716] s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708 [ 32.095921] a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300 [ 32.096171] a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff [ 32.096411] s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170 [ 32.096638] s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030 [ 32.096865] s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410 [ 32.097092] s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c [ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54 [ 32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d [ 32.098011] [<ffffffff801cdb72>] ksys_write+0x6c/0xd6 [ 32.098222] [<ffffffff801cdc06>] sys_write+0x2a/0x38 [ 32.098405] [<ffffffff80003c76>] ret_from_syscall+0x0/0x2 Since the rs1 and rd might be the same one, such as 'jalr 1140(ra)', hence it requires obtaining the target address from rs1 followed by updating rd. [Palmer: Pick Guo's cleanup]
References
Impacted products
Vendor Product Version
Linux Linux Version: c22b0bcb1dd024cb9caad9230e3a387d8b061df5
Version: c22b0bcb1dd024cb9caad9230e3a387d8b061df5
Version: c22b0bcb1dd024cb9caad9230e3a387d8b061df5
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/kernel/probes/simulate-insn.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "614471b7f7cd28a2c96ab9c90b37471c82258ffb",
              "status": "affected",
              "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
              "versionType": "git"
            },
            {
              "lessThan": "f4c8fc775fcbc9e9047b22671c55ca18f9a127d4",
              "status": "affected",
              "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
              "versionType": "git"
            },
            {
              "lessThan": "ca0254998be4d74cf6add70ccfab0d2dbd362a10",
              "status": "affected",
              "version": "c22b0bcb1dd024cb9caad9230e3a387d8b061df5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/riscv/kernel/probes/simulate-insn.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.91",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.91",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.9",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nriscv/kprobe: Fix instruction simulation of JALR\n\nSet kprobe at \u0027jalr 1140(ra)\u0027 of vfs_write results in the following\ncrash:\n\n[   32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170\n[   32.093115] Oops [#1]\n[   32.093251] Modules linked in:\n[   32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16\n[   32.093985] Hardware name: riscv-virtio,qemu (DT)\n[   32.094280] epc : ksys_read+0x88/0xd6\n[   32.094855]  ra : ksys_read+0xc0/0xd6\n[   32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0\n[   32.095227]  gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80\n[   32.095500]  t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60\n[   32.095716]  s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708\n[   32.095921]  a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300\n[   32.096171]  a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff\n[   32.096411]  s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170\n[   32.096638]  s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030\n[   32.096865]  s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410\n[   32.097092]  s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c\n[   32.097317]  t5 : ffffffff8000c29c t6 : ffffffff800dbc54\n[   32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d\n[   32.098011] [\u003cffffffff801cdb72\u003e] ksys_write+0x6c/0xd6\n[   32.098222] [\u003cffffffff801cdc06\u003e] sys_write+0x2a/0x38\n[   32.098405] [\u003cffffffff80003c76\u003e] ret_from_syscall+0x0/0x2\n\nSince the rs1 and rd might be the same one, such as \u0027jalr 1140(ra)\u0027,\nhence it requires obtaining the target address from rs1 followed by\nupdating rd.\n\n[Palmer: Pick Guo\u0027s cleanup]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:47:07.541Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb"
        },
        {
          "url": "https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4"
        },
        {
          "url": "https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10"
        }
      ],
      "title": "riscv/kprobe: Fix instruction simulation of JALR",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52995",
    "datePublished": "2025-03-27T16:43:29.853Z",
    "dateReserved": "2025-03-27T16:40:15.742Z",
    "dateUpdated": "2025-05-04T07:47:07.541Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52995\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-03-27T17:15:48.153\",\"lastModified\":\"2025-10-29T16:59:46.793\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nriscv/kprobe: Fix instruction simulation of JALR\\n\\nSet kprobe at \u0027jalr 1140(ra)\u0027 of vfs_write results in the following\\ncrash:\\n\\n[   32.092235] Unable to handle kernel access to user memory without uaccess routines at virtual address 00aaaaaad77b1170\\n[   32.093115] Oops [#1]\\n[   32.093251] Modules linked in:\\n[   32.093626] CPU: 0 PID: 135 Comm: ftracetest Not tainted 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16\\n[   32.093985] Hardware name: riscv-virtio,qemu (DT)\\n[   32.094280] epc : ksys_read+0x88/0xd6\\n[   32.094855]  ra : ksys_read+0xc0/0xd6\\n[   32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0\\n[   32.095227]  gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80\\n[   32.095500]  t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60\\n[   32.095716]  s1 : 0000000000000000 a0 : ffffffff805a64ae a1 : ffffffff80a83708\\n[   32.095921]  a2 : ffffffff80f160a0 a3 : 0000000000000000 a4 : f229b0afdb165300\\n[   32.096171]  a5 : f229b0afdb165300 a6 : ffffffff80eeebd0 a7 : 00000000000003ff\\n[   32.096411]  s2 : ff6000007ff76800 s3 : fffffffffffffff7 s4 : 00aaaaaad77b1170\\n[   32.096638]  s5 : ffffffff80f160a0 s6 : ff6000007ff76800 s7 : 0000000000000030\\n[   32.096865]  s8 : 00ffffffc3d97be0 s9 : 0000000000000007 s10: 00aaaaaad77c9410\\n[   32.097092]  s11: 0000000000000000 t3 : ffffffff80f13e48 t4 : ffffffff8000c29c\\n[   32.097317]  t5 : ffffffff8000c29c t6 : ffffffff800dbc54\\n[   32.097505] status: 0000000200000120 badaddr: 00aaaaaad77b1170 cause: 000000000000000d\\n[   32.098011] [\u003cffffffff801cdb72\u003e] ksys_write+0x6c/0xd6\\n[   32.098222] [\u003cffffffff801cdc06\u003e] sys_write+0x2a/0x38\\n[   32.098405] [\u003cffffffff80003c76\u003e] ret_from_syscall+0x0/0x2\\n\\nSince the rs1 and rd might be the same one, such as \u0027jalr 1140(ra)\u0027,\\nhence it requires obtaining the target address from rs1 followed by\\nupdating rd.\\n\\n[Palmer: Pick Guo\u0027s cleanup]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: riscv/kprobe: Se corrige la simulaci\u00f3n de instrucci\u00f3n de JALR. Establecer kprobe en \u0027jalr 1140(ra)\u0027 de vfs_write da como resultado el siguiente fallo: [32.092235] No se puede controlar el acceso del kernel a la memoria del usuario sin rutinas uaccess en la direcci\u00f3n virtual 00aaaaaad77b1170 [32.093115] Ups [#1] [32.093251] M\u00f3dulos vinculados en: [32.093626] CPU: 0 PID: 135 Comm: ftracetest No contaminado 6.2.0-rc2-00013-gb0aa5e5df0cb-dirty #16 [32.093985] Nombre del hardware: riscv-virtio,qemu (DT) [ [32.094280] epc : ksys_read+0x88/0xd6 [ 32.094855] ra : ksys_read+0xc0/0xd6 [ 32.095016] epc : ffffffff801cda80 ra : ffffffff801cdab8 sp : ff20000000d7bdc0 [ 32.095227] gp : ffffffff80f14000 tp : ff60000080f9cb40 t0 : ffffffff80f13e80 [ 32.095500] t1 : ffffffff8000c29c t2 : ffffffff800dbc54 s0 : ff20000000d7be60 [32.095716] s1: 0000000000000000 a0: ffffffff805a64ae a1: ffffffff80a83708 [32.095921] a2: ffffffff80f160a0 a3: 0000000000000000 a4: f229b0afdb165300 [32.096171] a5: f229b0afdb165300 a6: ffffffff80eeebd0 a7: 00000000000003ff [32.096411] s2: ff6000007ff76800 s3: ffffffffffffff7 s4: 00aaaaaad77b1170 [32.096638] s5: ffffffff80f160a0 s6: ff6000007ff76800 s7: 00000000000000030 [32.096865] s8: 00ffffffc3d97be0 s9: 0000000000000007 s10: 00aaaaaad77c9410 [32.097092] s11: 0000000000000000 t3: ffffffff80f13e48 t4 : ffffffff8000c29c [ 32.097317] t5 : ffffffff8000c29c t6 : ffffffff800dbc54 [ 32.097505] estado: 0000000200000120 direcci\u00f3n incorrecta: 00aaaaaad77b1170 causa: 000000000000000d [ 32.098011] [] ksys_write+0x6c/0xd6 [ 32.098222] [] sys_write+0x2a/0x38 [ 32.098405] [] ret_from_syscall+0x0/0x2 Dado que rs1 y rd podr\u00edan ser el mismo, como \u0027jalr 1140(ra)\u0027, se requiere obtener la direcci\u00f3n de destino de rs1 y luego actualizar rd. [Palmer: Limpieza de Pick Guo]\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.12\",\"versionEndExcluding\":\"5.15.91\",\"matchCriteriaId\":\"0B638F5D-F370-4E6B-8DE1-25237585DAB7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.9\",\"matchCriteriaId\":\"ED5B6045-B1D2-4E03-B194-9005A351BCAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"FF501633-2F44-4913-A8EE-B021929F49F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"2BDA597B-CAC1-4DF0-86F0-42E142C654E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"725C78C9-12CE-406F-ABE8-0813A01D66E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"A127C155-689C-4F67-B146-44A57F4BFD85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"D34127CC-68F5-4703-A5F6-5006F803E4AE\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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