CVE & CISA-KEV Catalog

CVE-2022-42432

MEDIUM
4.4
CVSS v3
NVD

Description

This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nft_osf_eval function. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-18540.

CWE-457

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.148-1CVE-2022-42432
Fixed in:6.0.2-1CVE-2022-42432
Fixed in:6.0.2-1CVE-2022-42432
Fixed in:6.0.2-1CVE-2022-42432

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

0.61%probability of exploitation in 30 days
45thpercentile

Moderate risk: more likely to be exploited than 45% of all known CVEs.

References

Third-Party Advisory1
Other references1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.