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cvelistGoogleCVELIST:CVE-2022-42895
HistoryNov 23, 2022 - 2:11 p.m.

CVE-2022-42895 Info Leak in l2cap_core in the Linux Kernel

2022-11-2314:11:33
CWE-824
Google
www.cve.org

5.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.0%

There is an infoleak vulnerability in the Linux kernel’s net/bluetooth/l2cap_core.c’s l2cap_parse_conf_req function which can be used to leak kernel pointers remotely.
We recommend upgrading past commitΒ  https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "packageName": "kernel",
    "product": "Linux Kernel",
    "repo": "https://git.kernel.org",
    "vendor": "Linux",
    "versions": [
      {
        "lessThanOrEqual": "b1a2cd50c0357f243b7435a732b4e62ba3157a2e",
        "status": "affected",
        "version": "3.0.0",
        "versionType": "custom"
      }
    ]
  }
]

5.1 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

28.0%