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cve[email protected]CVE-2020-10751
HistoryMay 26, 2020 - 3:15 p.m.

CVE-2020-10751

2020-05-2615:15:10
CWE-345
CWE-349
web.nvd.nist.gov
344
cve-2020-10751
linux kernel
selinux
lsm hook
netlink message
security vulnerability

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

19.5%

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.

Affected configurations

Vulners
NVD
Node
linuxlinux_kernelRange5.7
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "The Linux Foundation",
    "versions": [
      {
        "status": "affected",
        "version": "before 5.7"
      }
    ]
  }
]

References

CVSS2

3.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:P/A:N

CVSS3

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

19.5%