CyberSecBulletin
CVE-2022-27639NVD status: Modified

Intel(R) XMM(TM) 7560 Modem software: Incomplete Cleanup

CVE-2022-27639 is a high-severity incomplete cleanup vulnerability in Intel(R) XMM(TM) 7560 Modem software, with a CVSS 3.1 base score of 8.4 out of 10. It can be exploited from the same local network by an attacker with administrator privileges, without any action from a user. Affected Intel(R) XMM(TM) 7560 Modem software versions: before version M2_7560_R_01.2146.00. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.28% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Xmm 7560 Firmware to m2_7560_r_01.2146.00 or a later version.
  2. Read the advisory on intel.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Intel(R) XMM(TM) 7560 Modem softwareIntel(R) XMM(TM) 7560 Modem softwarebefore version M2_7560_R_01.2146.00Not stated
IntelXmm 7560 Firmwarebefore m2_7560_r_01.2146.00m2_7560_r_01.2146.00

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
AdjacentThe attacker must be on the same local network segment.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
HighAdministrator-level access is required first.
User interaction
NoneNo action by a victim is required.
Scope
ChangedThe attack can reach beyond the vulnerable component into other systems.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.15.4MediumCNA (intel.com)
CVSS 3.18.4HighNVD

Official description

Incomplete cleanup in some Intel(R) XMM(TM) 7560 Modem software before version M2_7560_R_01.2146.00 may allow a privileged user to potentially enable escalation of privilege via adjacent access.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Incomplete Cleanup

The product does not properly clean up and remove temporary or supporting resources after they have been used.

How developers prevent this class of flaw

  • Temporary files and other supporting resources should be deleted/released immediately after they are no longer needed.

More Incomplete Cleanup vulnerabilities (CWE-459)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Intel(R) XMM(TM) 7560 Modem software

All Intel(R) XMM(TM) 7560 Modem software vulnerabilities

Recent Incomplete Cleanup vulnerabilities

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