cnvd-2022-84159
Vulnerability from cnvd
Title: QEMU拒绝服务漏洞（CNVD-2022-84159）
Description:
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。
QEMU的physmem.c 7.0.0版本及以下版本存在拒绝服务漏洞，该漏洞源于可以对translate_fail路径进行未初始化的读取，攻击者可利用该漏洞导致io_readx或io_writex崩溃。
Severity: 中
Patch Name: QEMU拒绝服务漏洞（CNVD-2022-84159）的补丁
Patch Description:
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。
QEMU的physmem.c 7.0.0版本及以下版本存在拒绝服务漏洞，该漏洞源于可以对translate_fail路径进行未初始化的读取，攻击者可利用该漏洞导致io_readx或io_writex崩溃。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description:
厂商已发布了漏洞修复程序，请及时关注更新： https://gitlab.com/qemu-project/qemu/-/issues/1065
Reference: https://www.mail-archive.com/qemu-devel@nongnu.org/msg895266.html
Impacted products
| Name | QEMU QEMU >=4.1.50，<=7.0.0 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2022-35414",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-35414"
}
},
"description": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\n\nQEMU\u7684physmem.c 7.0.0\u7248\u672c\u53ca\u4ee5\u4e0b\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53ef\u4ee5\u5bf9translate_fail\u8def\u5f84\u8fdb\u884c\u672a\u521d\u59cb\u5316\u7684\u8bfb\u53d6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4io_readx\u6216io_writex\u5d29\u6e83\u3002",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.com/qemu-project/qemu/-/issues/1065",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2022-84159",
"openTime": "2022-12-02",
"patchDescription": "QEMU\uff08Quick Emulator\uff09\u662f\u6cd5\u56fd\u6cd5\u5e03\u91cc\u65af-\u8d1d\u62c9\uff08Fabrice Bellard\uff09\u4e2a\u4eba\u5f00\u53d1\u8005\u7684\u4e00\u5957\u6a21\u62df\u5904\u7406\u5668\u8f6f\u4ef6\u3002\u8be5\u8f6f\u4ef6\u5177\u6709\u901f\u5ea6\u5feb\u3001\u8de8\u5e73\u53f0\u7b49\u7279\u70b9\u3002\r\n\r\nQEMU\u7684physmem.c 7.0.0\u7248\u672c\u53ca\u4ee5\u4e0b\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u53ef\u4ee5\u5bf9translate_fail\u8def\u5f84\u8fdb\u884c\u672a\u521d\u59cb\u5316\u7684\u8bfb\u53d6\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4io_readx\u6216io_writex\u5d29\u6e83\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
"patchName": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-84159\uff09\u7684\u8865\u4e01",
"products": {
"product": "QEMU QEMU \u003e=4.1.50\uff0c\u003c=7.0.0"
},
"referenceLink": "https://www.mail-archive.com/qemu-devel@nongnu.org/msg895266.html",
"serverity": "\u4e2d",
"submitTime": "2022-07-13",
"title": "QEMU\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2022-84159\uff09"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.
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