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.
References (14)
Core 14
Core References
Patch, Vendor Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/108196
Third Party Advisory x_refsource_confirm
https://support.f5.com/csp/article/K11225249
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190719-0003/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4076-1/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4495
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/13
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Aug/18
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4497
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
Scores
CVSS v3
8.1
EPSS
0.0383
EPSS Percentile
88.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
CWE-416
Status
published
Products (17)
canonical/ubuntu_linux
16.04
debian/debian_linux
8.0
debian/debian_linux
9.0
debian/debian_linux
10.0
f5/traffix_signaling_delivery_controller
5.0.0
f5/traffix_signaling_delivery_controller
5.1.0
linux/linux_kernel
< 3.16.72
netapp/active_iq_unified_manager
9.5
netapp/hci_compute_node
netapp/snapprotect
... and 7 more
Published
May 07, 2019
Tracked Since
Feb 18, 2026