CVE & CISA-KEV Catalog

CVE-2018-8822

HIGH
7.8
CVSS v3
NVD

Description

Incorrect buffer length handling in the ncp_read_kernel function in fs/ncpfs/ncplib_kernel.c in the Linux kernel through 4.15.11, and in drivers/staging/ncpfs/ncplib_kernel.c in the Linux kernel 4.16-rc through 4.16-rc6, could be exploited by malicious NCPFS servers to crash the kernel or execute code.

CWE-119Buffer Overflow

How to fix

Remediation Available
linuxDebian
Fixed in:4.15.17-1CVE-2018-8822
Fixed in:4.15.17-1CVE-2018-8822
Fixed in:4.15.17-1CVE-2018-8822
Fixed in:4.15.17-1CVE-2018-8822
linuxUbuntu
Fixed in:3.13.0-149.199USN-3655-1
Fixed in:4.4.0-127.153USN-3654-1
linux-awsUbuntu
Fixed in:4.4.0-1022.22USN-3654-2
Fixed in:4.4.0-1060.69USN-3654-1
linux-azureUbuntu
Fixed in:4.13.0-1018.21USN-3653-2
linux-gcpUbuntu
Fixed in:4.13.0-1017.21USN-3653-2
linux-hweUbuntu
Fixed in:4.13.0-43.48~16.04.1USN-3653-2
linux-image-3.13.0-149-genericUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-generic-lpaeUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-lowlatencyUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-powerpc-e500Ubuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-powerpc-e500mcUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-powerpc-smpUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-powerpc64-embUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-3.13.0-149-powerpc64-smpUbuntu
Fixed in:3.13.0-149.199USN-3655-1
linux-image-4.13.0-1017-gcpUbuntu
Fixed in:4.13.0-1017.21USN-3653-2
linux-image-4.13.0-1018-azureUbuntu
Fixed in:4.13.0-1018.21USN-3653-2
linux-image-4.13.0-1028-oemUbuntu
Fixed in:4.13.0-1028.31USN-3653-2
linux-image-4.13.0-43-genericUbuntu
Fixed in:4.13.0-43.48~16.04.1USN-3653-2
linux-image-4.13.0-43-generic-lpaeUbuntu
Fixed in:4.13.0-43.48~16.04.1USN-3653-2
linux-image-4.13.0-43-lowlatencyUbuntu
Fixed in:4.13.0-43.48~16.04.1USN-3653-2
linux-image-4.4.0-1022-awsUbuntu
Fixed in:4.4.0-1022.22USN-3654-2
linux-image-4.4.0-1026-kvmUbuntu
Fixed in:4.4.0-1026.31USN-3654-1
linux-image-4.4.0-1060-awsUbuntu
Fixed in:4.4.0-1060.69USN-3654-1
linux-image-4.4.0-1090-raspi2Ubuntu
Fixed in:4.4.0-1090.98USN-3656-1
linux-image-4.4.0-1093-snapdragonUbuntu
Fixed in:4.4.0-1093.98USN-3656-1
linux-image-4.4.0-127-genericUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-generic-lpaeUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-lowlatencyUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-powerpc-e500mcUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-powerpc-smpUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-powerpc64-embUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-image-4.4.0-127-powerpc64-smpUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
Fixed in:4.4.0-127.153USN-3654-1
linux-kvmUbuntu
Fixed in:4.4.0-1026.31USN-3654-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-127.153~14.04.1USN-3654-2
linux-oemUbuntu
Fixed in:4.13.0-1028.31USN-3653-2
linux-raspi2Ubuntu
Fixed in:4.4.0-1090.98USN-3656-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1093.98USN-3656-1

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.53%probability of exploitation in 30 days
41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-4966Critical9.4100%KEV + RansomFix
CVE-2017-11882High7.8100%KEV + Ransom-
CVE-2020-0796Critical10.0100%KEV + Ransom-
CVE-2008-4250Critical9.899%KEV-
CVE-2017-15944Critical9.898%KEVFix
CVE-2015-0014High10.097%--
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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.