CVE-2022-2905

2022-09-0915:15:10

CWE-125

[email protected]

web.nvd.nist.gov

linux

kernel

bpf

subsystem

out-of-bounds

memory

flaw

unauthorized access

cve-2022-2905

nvd

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

An out-of-bounds memory read flaw was found in the Linux kernel’s BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.

Affected configurations

Vulners

NVD

Node

linuxlinux_kernelRange≤6.0

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "kernel",
    "versions": [
      {
        "version": "Linux kernel 6.0-rc4",
        "status": "affected"
      }
    ]
  }
]