CVE & CISA-KEV Catalog

CVE-2019-11190

MEDIUM
4.7
CVSS v3
NVD

Description

The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.

How to fix

Remediation Available
linuxDebian
Fixed in:4.8.5-1CVE-2019-11190
Fixed in:4.8.5-1CVE-2019-11190
Fixed in:4.8.5-1CVE-2019-11190
Fixed in:4.8.5-1CVE-2019-11190
apparmorUbuntu
Fixed in:2.10.95-0ubuntu2.11USN-4008-2
apparmor-profilesUbuntu
Fixed in:2.10.95-0ubuntu2.11USN-4008-2
linuxUbuntu
Fixed in:4.4.0-150.176USN-4008-1
linux-awsUbuntu
Fixed in:4.4.0-1045.48USN-4008-3
Fixed in:4.4.0-1084.94USN-4008-1
linux-image-4.4.0-1045-awsUbuntu
Fixed in:4.4.0-1045.48USN-4008-3
linux-image-4.4.0-1047-kvmUbuntu
Fixed in:4.4.0-1047.53USN-4008-1
linux-image-4.4.0-1084-awsUbuntu
Fixed in:4.4.0-1084.94USN-4008-1
linux-image-4.4.0-1110-raspi2Ubuntu
Fixed in:4.4.0-1110.118USN-4008-1
linux-image-4.4.0-1114-snapdragonUbuntu
Fixed in:4.4.0-1114.119USN-4008-1
linux-image-4.4.0-150-genericUbuntu
Fixed in:4.4.0-150.176~14.04.1USN-4008-3
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-generic-lpaeUbuntu
Fixed in:4.4.0-150.176~14.04.1USN-4008-3
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-lowlatencyUbuntu
Fixed in:4.4.0-150.176~14.04.1USN-4008-3
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-powerpc-e500mcUbuntu
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-powerpc-smpUbuntu
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-powerpc64-embUbuntu
Fixed in:4.4.0-150.176USN-4008-1
linux-image-4.4.0-150-powerpc64-smpUbuntu
Fixed in:4.4.0-150.176USN-4008-1
linux-image-awsUbuntu
Fixed in:4.4.0.1045.46USN-4008-3
Fixed in:4.4.0.1084.87USN-4008-1
linux-image-genericUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-generic-lpaeUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-generic-lpae-lts-xenialUbuntu
Fixed in:4.4.0.150.132USN-4008-3
linux-image-generic-lts-xenialUbuntu
Fixed in:4.4.0.150.132USN-4008-3
linux-image-kvmUbuntu
Fixed in:4.4.0.1047.47USN-4008-1
linux-image-lowlatencyUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-lowlatency-lts-xenialUbuntu
Fixed in:4.4.0.150.132USN-4008-3
linux-image-powerpc-e500mcUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-powerpc-smpUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-powerpc64-embUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-powerpc64-smpUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-image-raspi2Ubuntu
Fixed in:4.4.0.1110.110USN-4008-1
linux-image-snapdragonUbuntu
Fixed in:4.4.0.1114.106USN-4008-1
linux-image-virtualUbuntu
Fixed in:4.4.0.150.158USN-4008-1
linux-kvmUbuntu
Fixed in:4.4.0-1047.53USN-4008-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-150.176~14.04.1USN-4008-3
linux-raspi2Ubuntu
Fixed in:4.4.0-1110.118USN-4008-1
linux-snapdragonUbuntu
Fixed in:4.4.0-1114.119USN-4008-1
python3-apparmorUbuntu
Fixed in:2.10.95-0ubuntu2.11USN-4008-2

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 ComplexityHigh
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.48%probability of exploitation in 30 days
38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Related Vulnerabilities

Other CWE-362 (Race Condition) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-6387High8.1100%-Fix
CVE-2023-36884High7.599%KEV + RansomFix
CVE-2018-15473Medium5.399%-Fix
CVE-2024-27983High8.287%-Fix
CVE-2014-0226Medium6.886%-Fix
CVE-2016-5195High7.084%KEVFix
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CVE-2019-11190 severity badge

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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.