cnvd-2021-19423
Vulnerability from cnvd
Title: Linux kernel缓冲区溢出漏洞（CNVD-2021-19423）
Description:
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel 5.11.3及之前版本存在安全漏洞，该漏洞源于drivers/scsi/scsi_transport_iscsi.c受到非特权用户制作网络链接消息的能力的不利影响。目前没有详细的漏洞细节提供。
Severity: 低
Patch Name: Linux kernel缓冲区溢出漏洞（CNVD-2021-19423）的补丁
Patch Description:
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel 5.11.3及之前版本存在安全漏洞，该漏洞源于drivers/scsi/scsi_transport_iscsi.c受到非特权用户制作网络链接消息的能力的不利影响。目前没有详细的漏洞细节提供。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:
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa
Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-27364
Impacted products
| Name | Linux Linux kernel <=5.11.3 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-27364",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27364"
}
},
"description": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\n\nLinux kernel 5.11.3\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/scsi/scsi_transport_iscsi.c\u53d7\u5230\u975e\u7279\u6743\u7528\u6237\u5236\u4f5c\u7f51\u7edc\u94fe\u63a5\u6d88\u606f\u7684\u80fd\u529b\u7684\u4e0d\u5229\u5f71\u54cd\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1ahttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-19423",
"openTime": "2021-03-19",
"patchDescription": "Linux kernel\u662f\u7f8e\u56fdLinux\u57fa\u91d1\u4f1a\u7684\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edfLinux\u6240\u4f7f\u7528\u7684\u5185\u6838\u3002\r\n\r\nLinux kernel 5.11.3\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8edrivers/scsi/scsi_transport_iscsi.c\u53d7\u5230\u975e\u7279\u6743\u7528\u6237\u5236\u4f5c\u7f51\u7edc\u94fe\u63a5\u6d88\u606f\u7684\u80fd\u529b\u7684\u4e0d\u5229\u5f71\u54cd\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "Linux kernel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-19423\uff09\u7684\u8865\u4e01",
"products": {
"product": "Linux Linux kernel \u003c=5.11.3"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-27364",
"serverity": "\u4f4e",
"submitTime": "2021-03-12",
"title": "Linux kernel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-19423\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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