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cveRedhatCVE-2022-0500
HistoryMar 25, 2022 - 7:15 p.m.

CVE-2022-0500

2022-03-2519:15:10
CWE-119
CWE-787
redhat
web.nvd.nist.gov
234
4
flaw
bpf
btf_load
out-of-bounds
memory write
linux kernel
privilege escalation
cve-2022-0500

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

5.1%

A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

Affected configurations

Nvd
Vulners
Node
linuxlinux_kernelRange5.105.15.37
OR
linuxlinux_kernelRange5.165.16.11
Node
fedoraprojectfedoraMatch34
OR
fedoraprojectfedoraMatch35
Node
netapph300eMatch-
AND
netapph300e_firmwareMatch-
Node
netapph300sMatch-
AND
netapph300s_firmwareMatch-
Node
netapph410cMatch-
AND
netapph410c_firmwareMatch-
Node
netapph410sMatch-
AND
netapph410s_firmwareMatch-
Node
netapph500eMatch-
AND
netapph500e_firmwareMatch-
Node
netapph500sMatch-
AND
netapph500s_firmwareMatch-
Node
netapph700eMatch-
AND
netapph700e_firmwareMatch-
Node
netapph700sMatch-
AND
netapph700s_firmwareMatch-
VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
fedoraprojectfedora35cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
netapph300e-cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*
netapph300e_firmware-cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
netapph300s-cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
netapph300s_firmware-cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
netapph410c-cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
netapph410c_firmware-cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
netapph410s-cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
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CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Linux kernel 5.17-rc1"
      }
    ]
  }
]

References

Social References

More

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

EPSS

0

Percentile

5.1%