vulnerability
Ubuntu: (Multiple Advisories) (CVE-2019-11191): Linux kernel vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:P/I:N/A:N) | Apr 11, 2019 | Jun 5, 2019 | Aug 18, 2025 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
Apr 11, 2019
Added
Jun 5, 2019
Modified
Aug 18, 2025
Description
The Linux kernel through 5.0.7, when CONFIG_IA32_AOUT is enabled and ia32_aout is loaded, allows local users to bypass ASLR on setuid a.out programs (if any exist) because install_exec_creds() is called too late in load_aout_binary() in fs/binfmt_aout.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat. NOTE: the software maintainer disputes that this is a vulnerability because ASLR for a.out format executables has never been supported
Solutions
ubuntu-upgrade-linux-image-4-15-0-1014-oracleubuntu-upgrade-linux-image-4-15-0-1033-gcpubuntu-upgrade-linux-image-4-15-0-1035-kvmubuntu-upgrade-linux-image-4-15-0-1037-raspi2ubuntu-upgrade-linux-image-4-15-0-1039-oemubuntu-upgrade-linux-image-4-15-0-1040-awsubuntu-upgrade-linux-image-4-15-0-1054-snapdragonubuntu-upgrade-linux-image-4-15-0-51-genericubuntu-upgrade-linux-image-4-15-0-51-generic-lpaeubuntu-upgrade-linux-image-4-15-0-51-lowlatencyubuntu-upgrade-linux-image-4-18-0-1012-gcpubuntu-upgrade-linux-image-4-18-0-1013-kvmubuntu-upgrade-linux-image-4-18-0-1015-raspi2ubuntu-upgrade-linux-image-4-18-0-1017-awsubuntu-upgrade-linux-image-4-18-0-21-genericubuntu-upgrade-linux-image-4-18-0-21-generic-lpaeubuntu-upgrade-linux-image-4-18-0-21-lowlatencyubuntu-upgrade-linux-image-4-18-0-21-snapdragonubuntu-upgrade-linux-image-4-4-0-1045-awsubuntu-upgrade-linux-image-4-4-0-1047-kvmubuntu-upgrade-linux-image-4-4-0-1084-awsubuntu-upgrade-linux-image-4-4-0-1110-raspi2ubuntu-upgrade-linux-image-4-4-0-1114-snapdragonubuntu-upgrade-linux-image-4-4-0-150-genericubuntu-upgrade-linux-image-4-4-0-150-generic-lpaeubuntu-upgrade-linux-image-4-4-0-150-lowlatencyubuntu-upgrade-linux-image-4-4-0-150-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-150-powerpc-smpubuntu-upgrade-linux-image-4-4-0-150-powerpc64-embubuntu-upgrade-linux-image-4-4-0-150-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04
References
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