vulnerability
Ubuntu: (Multiple Advisories) (CVE-2019-6133): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:N/C:P/I:P/A:P) | Jan 11, 2019 | Mar 13, 2019 | Aug 18, 2025 |
Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Jan 11, 2019
Added
Mar 13, 2019
Modified
Aug 18, 2025
Description
In PolicyKit (aka polkit) 0.115, the "start time" protection mechanism can be bypassed because fork() is not atomic, and therefore authorization decisions are improperly cached. This is related to lack of uid checking in polkitbackend/polkitbackendinteractiveauthority.c.
Solutions
ubuntu-upgrade-libpolkit-backend-1-0ubuntu-upgrade-linux-image-3-13-0-166-genericubuntu-upgrade-linux-image-3-13-0-166-generic-lpaeubuntu-upgrade-linux-image-3-13-0-166-lowlatencyubuntu-upgrade-linux-image-3-13-0-166-powerpc-e500ubuntu-upgrade-linux-image-3-13-0-166-powerpc-e500mcubuntu-upgrade-linux-image-3-13-0-166-powerpc-smpubuntu-upgrade-linux-image-3-13-0-166-powerpc64-embubuntu-upgrade-linux-image-3-13-0-166-powerpc64-smpubuntu-upgrade-linux-image-4-15-0-1009-oracleubuntu-upgrade-linux-image-4-15-0-1028-gcpubuntu-upgrade-linux-image-4-15-0-1030-kvmubuntu-upgrade-linux-image-4-15-0-1032-raspi2ubuntu-upgrade-linux-image-4-15-0-1033-awsubuntu-upgrade-linux-image-4-15-0-1034-oemubuntu-upgrade-linux-image-4-15-0-1040-azureubuntu-upgrade-linux-image-4-15-0-46-genericubuntu-upgrade-linux-image-4-15-0-46-generic-lpaeubuntu-upgrade-linux-image-4-15-0-46-lowlatencyubuntu-upgrade-linux-image-4-15-0-46-snapdragonubuntu-upgrade-linux-image-4-18-0-1007-gcpubuntu-upgrade-linux-image-4-18-0-1008-kvmubuntu-upgrade-linux-image-4-18-0-1010-raspi2ubuntu-upgrade-linux-image-4-18-0-1013-azureubuntu-upgrade-linux-image-4-18-0-16-genericubuntu-upgrade-linux-image-4-18-0-16-generic-lpaeubuntu-upgrade-linux-image-4-18-0-16-lowlatencyubuntu-upgrade-linux-image-4-18-0-16-snapdragonubuntu-upgrade-linux-image-4-4-0-1039-awsubuntu-upgrade-linux-image-4-4-0-1041-kvmubuntu-upgrade-linux-image-4-4-0-1077-awsubuntu-upgrade-linux-image-4-4-0-1104-raspi2ubuntu-upgrade-linux-image-4-4-0-1108-snapdragonubuntu-upgrade-linux-image-4-4-0-143-genericubuntu-upgrade-linux-image-4-4-0-143-generic-lpaeubuntu-upgrade-linux-image-4-4-0-143-lowlatencyubuntu-upgrade-linux-image-4-4-0-143-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-143-powerpc-smpubuntu-upgrade-linux-image-4-4-0-143-powerpc64-embubuntu-upgrade-linux-image-4-4-0-143-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-azureubuntu-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-trustyubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-trustyubuntu-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-e500ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenialubuntu-upgrade-policykit-1
References
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