vulnerability
Ubuntu: (Multiple Advisories) (CVE-2018-20836): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:M/Au:N/C:C/I:C/A:C) | May 7, 2019 | Jul 26, 2019 | Aug 18, 2025 |
Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
May 7, 2019
Added
Jul 26, 2019
Modified
Aug 18, 2025
Description
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
Solutions
ubuntu-upgrade-linux-image-4-4-0-1052-kvmubuntu-upgrade-linux-image-4-4-0-1088-awsubuntu-upgrade-linux-image-4-4-0-1117-raspi2ubuntu-upgrade-linux-image-4-4-0-157-genericubuntu-upgrade-linux-image-4-4-0-157-generic-lpaeubuntu-upgrade-linux-image-4-4-0-157-lowlatencyubuntu-upgrade-linux-image-4-4-0-157-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-157-powerpc-smpubuntu-upgrade-linux-image-4-4-0-157-powerpc64-embubuntu-upgrade-linux-image-4-4-0-157-powerpc64-smpubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-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-virtual
References
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