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LinuxCVE-2022-48907

HistoryAug 22, 2024 - 2:15 a.m.

CVE-2022-48907

2024-08-2202:15:05

CWE-401

Linux

web.nvd.nist.gov

linux kernel

vulnerability

cve-2022-48907

memory leak

auxdisplay

lcd2s

fix

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

6.5

Confidence

Low

EPSS

Percentile

5.1%

JSON

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

auxdisplay: lcd2s: Fix memory leak in ->remove()

Once allocated the struct lcd2s_data is never freed.
Fix the memory leak by switching to devm_kzalloc().

Affected configurations

Nvd

Vulners

Node

linuxlinux_kernelRange5.11–5.15.27

linuxlinux_kernelRange5.16–5.16.13

linuxlinux_kernelMatch5.17rc1

linuxlinux_kernelMatch5.17rc2

linuxlinux_kernelMatch5.17rc3

linuxlinux_kernelMatch5.17rc4

linuxlinux_kernelMatch5.17rc5

linuxlinux_kernelMatch5.17rc6

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
linuxlinux_kernel5.17cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc1::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc2::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc3::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc4::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc5::::::
linux	linux_kernel	5.17	cpe:2.3:o:linux:linux_kernel:5.17:rc6::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/auxdisplay/lcd2s.c"
    ],
    "versions": [
      {
        "version": "8c9108d014c5",
        "lessThan": "5d53cd33f425",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c9108d014c5",
        "lessThan": "3585ed5f9b11",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8c9108d014c5",
        "lessThan": "898c0a15425a",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/auxdisplay/lcd2s.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.27",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.16.13",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]