cnvd-2021-92971
Vulnerability from cnvd
Title: Linux kernel缓冲区溢出漏洞（CNVD-2021-92971）
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 5.15.2及更早版本存在安全漏洞，可以引入特制设备的攻击者可利用该漏洞通过特制的长度值触发越界写入。
Severity: 中
Patch Name: Linux kernel缓冲区溢出漏洞（CNVD-2021-92971）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 5.15.2及更早版本存在安全漏洞，可以引入特制设备的攻击者可利用该漏洞通过特制的长度值触发越界写入。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://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b922f622592af76b57cbc566eaeccda0b31a3496
Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-43975
Impacted products
| Name | Linux Linux kernel <=5.15.2 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2021-43975",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-43975"
}
},
"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 5.15.2\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u5f15\u5165\u7279\u5236\u8bbe\u5907\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7279\u5236\u7684\u957f\u5ea6\u503c\u89e6\u53d1\u8d8a\u754c\u5199\u5165\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://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=b922f622592af76b57cbc566eaeccda0b31a3496",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-92971",
"openTime": "2021-12-01",
"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 5.15.2\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u5f15\u5165\u7279\u5236\u8bbe\u5907\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7279\u5236\u7684\u957f\u5ea6\u503c\u89e6\u53d1\u8d8a\u754c\u5199\u5165\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-2021-92971\uff09\u7684\u8865\u4e01",
"products": {
"product": "Linux Linux kernel \u003c=5.15.2"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-43975",
"serverity": "\u4e2d",
"submitTime": "2021-11-18",
"title": "Linux kernel\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-92971\uff09"
}
Loading…
Loading…
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.
Loading…