CVE-2020-27815: CVE-2020-27815

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I. Basic Information for CVE-2020-27815

Vulnerability Information

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Vulnerability Title

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Description

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Source: NVD (National Vulnerability Database)

CVSS Information

N/A

Source: NVD (National Vulnerability Database)

Vulnerability Type

内存缓冲区边界内操作的限制不恰当

Source: NVD (National Vulnerability Database)

Vulnerability Title

Linux kernel 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability 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 存在缓冲区错误漏洞，该漏洞允许攻击者通过dbAdjTree()强制读取一个无效的地址，以触发拒绝服务，或获取敏感信息。

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	Linux Kernel	5.9.6	-

II. Public POCs for CVE-2020-27815

#	POC Description	Source Link	Shenlong Link
1	None	https://github.com/Trinadh465/linux-4.19.72_CVE-2020-27815	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2020-27815

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https://www.openwall.com/lists/oss-security/2020/11/30/5%2Cx_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2Cx_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6cx_refsource_MISC
https://security.netapp.com/advisory/ntap-20210702-0004/x_refsource_CONFIRM
https://www.openwall.com/lists/oss-security/2020/12/28/1%2Cx_refsource_MISC
https://www.debian.org/security/2021/dsa-4843vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.htmlmailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlmailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2020/11/30/5mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2020/12/28/1mailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2020-27815

New Vulnerabilities

Product: Linux Kernel

Vendor: n/a

Same weakness: CWE-119

V. Comments for CVE-2020-27815

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I. Basic Information for CVE-2020-27815

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2020-27815

III. Intelligence Information for CVE-2020-27815

New Vulnerabilities

V. Comments for CVE-2020-27815

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