fkie_cve-2023-52995
Vulnerability from fkie_nvd
Published
2025-03-27 17:15
Modified
2025-03-28 18:11
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
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4
Impacted products
Vendor Product Version


To clipboard 

{
  "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]"
    }
  ],
  "id": "CVE-2023-52995",
  "lastModified": "2025-03-28T18:11:49.747",
  "metrics": {},
  "published": "2025-03-27T17:15:48.153",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/614471b7f7cd28a2c96ab9c90b37471c82258ffb"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ca0254998be4d74cf6add70ccfab0d2dbd362a10"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f4c8fc775fcbc9e9047b22671c55ca18f9a127d4"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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