CVE & CISA-KEV CatalogNVD
CVE-2018-15572
MEDIUM6.5
CVSS v3
Description
The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.
How to fix
Remediation Available
linuxDebian
Fixed in:4.17.15-1CVE-2018-15572
Fixed in:4.17.15-1CVE-2018-15572
Fixed in:4.17.15-1CVE-2018-15572
Fixed in:4.17.15-1CVE-2018-15572
linuxUbuntu
linux-awsUbuntu
linux-azureUbuntu
Fixed in:4.15.0-1025.26~16.04.1USN-3777-3
Fixed in:4.15.0-1025.26USN-3777-3
linux-gcpUbuntu
Fixed in:4.15.0-1021.22~16.04.1USN-3777-2
Fixed in:4.15.0-1021.22USN-3777-1
linux-hweUbuntu
Fixed in:4.15.0-36.39~16.04.1USN-3777-2
linux-image-3.13.0-160-genericUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-generic-lpaeUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-lowlatencyUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-powerpc-e500Ubuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-powerpc-e500mcUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-powerpc-smpUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-powerpc64-embUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-3.13.0-160-powerpc64-smpUbuntu
Fixed in:3.13.0-160.210USN-3775-1
linux-image-4.15.0-1023-awsUbuntu
Fixed in:4.15.0-1023.23USN-3777-1
linux-image-4.15.0-1023-kvmUbuntu
Fixed in:4.15.0-1023.23USN-3777-1
linux-image-4.15.0-1024-raspi2Ubuntu
Fixed in:4.15.0-1024.26USN-3777-1
linux-image-4.15.0-36-genericUbuntu
Fixed in:4.15.0-36.39~16.04.1USN-3777-2
Fixed in:4.15.0-36.39USN-3777-1
linux-image-4.15.0-36-generic-lpaeUbuntu
Fixed in:4.15.0-36.39~16.04.1USN-3777-2
Fixed in:4.15.0-36.39USN-3777-1
linux-image-4.15.0-36-lowlatencyUbuntu
Fixed in:4.15.0-36.39~16.04.1USN-3777-2
Fixed in:4.15.0-36.39USN-3777-1
linux-image-4.15.0-36-snapdragonUbuntu
Fixed in:4.15.0-36.39USN-3777-1
linux-image-4.4.0-1031-awsUbuntu
Fixed in:4.4.0-1031.34USN-3776-2
linux-image-4.4.0-1035-kvmUbuntu
Fixed in:4.4.0-1035.41USN-3776-1
linux-image-4.4.0-1069-awsUbuntu
Fixed in:4.4.0-1069.79USN-3776-1
linux-image-4.4.0-1098-raspi2Ubuntu
Fixed in:4.4.0-1098.106USN-3776-1
linux-image-4.4.0-1102-snapdragonUbuntu
Fixed in:4.4.0-1102.107USN-3776-1
linux-image-4.4.0-137-genericUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-generic-lpaeUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-lowlatencyUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-powerpc-e500mcUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-powerpc-smpUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-powerpc64-embUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-image-4.4.0-137-powerpc64-smpUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
Fixed in:4.4.0-137.163USN-3776-1
linux-kvmUbuntu
Fixed in:4.4.0-1035.41USN-3776-1
Fixed in:4.15.0-1023.23USN-3777-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-137.163~14.04.1USN-3776-2
linux-oemUbuntu
Fixed in:4.15.0-1021.24USN-3777-1
linux-raspi2Ubuntu
Fixed in:4.4.0-1098.106USN-3776-1
Fixed in:4.15.0-1024.26USN-3777-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1102.107USN-3776-1
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
ScopeChanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Exploit Intelligence
0.51%probability of exploitation in 30 days
40thpercentile
Low risk: more likely to be exploited than 40% of all known CVEs.
References
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