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LinuxCVE-2024-46686

HistorySep 13, 2024 - 6:15 a.m.

CVE-2024-46686

2024-09-1306:15:13

CWE-476

Linux

web.nvd.nist.gov

linux kernel

smb/client

vulnerability

resolved

rdma

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.6

Confidence

Low

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved:

smb/client: avoid dereferencing rdata=NULL in smb2_new_read_req()

This happens when called from SMB2_read() while using rdma
and reaching the rdma_readwrite_threshold.

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange6.1.16–6.1.108

linuxlinux_kernelRange6.3–6.6.49

linuxlinux_kernelRange6.7–6.10.8

linuxlinux_kernelMatch6.2.3

linuxlinux_kernelMatch6.11rc1

linuxlinux_kernelMatch6.11rc2

linuxlinux_kernelMatch6.11rc3

linuxlinux_kernelMatch6.11rc4

linuxlinux_kernelMatch6.11rc5

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel6.2.3cpe:2.3:o:linux:linux_kernel:6.2.3:*:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
linuxlinux_kernel6.11cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	6.2.3	cpe:2.3:o:linux:linux_kernel:6.2.3:::::::*
linux	linux_kernel	6.11	cpe:2.3:o:linux:linux_kernel:6.11:rc1::::::
linux	linux_kernel	6.11	cpe:2.3:o:linux:linux_kernel:6.11:rc2::::::
linux	linux_kernel	6.11	cpe:2.3:o:linux:linux_kernel:6.11:rc3::::::
linux	linux_kernel	6.11	cpe:2.3:o:linux:linux_kernel:6.11:rc4::::::
linux	linux_kernel	6.11	cpe:2.3:o:linux:linux_kernel:6.11:rc5::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "edf38e9f4269",
        "lessThan": "6df57c63c200",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6559cc1d35d",
        "lessThan": "a01859dd6aeb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6559cc1d35d",
        "lessThan": "b902fb78ab21",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6559cc1d35d",
        "lessThan": "c724b2ab6a46",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.108",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.49",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.8",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

References

git.kernel.org/stable/c/6df57c63c200cd05e085c3b695128260e21959b7

git.kernel.org/stable/c/a01859dd6aebf826576513850a3b05992809e9d2

git.kernel.org/stable/c/b902fb78ab21299e4dd1775e7e8d251d5c0735bc

git.kernel.org/stable/c/c724b2ab6a46435b4e7d58ad2fbbdb7a318823cf

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.6

Confidence

Low

EPSS

Percentile

5.1%

JSON

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