GoogleOSV:CVE-2018-20836CVE-2018-20836
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
Low
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.008 Low
EPSS
Percentile
81.5%
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
lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html
lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
www.securityfocus.com/bid/108196
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae
github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae
lists.debian.org/debian-lts-announce/2019/08/msg00016.html
lists.debian.org/debian-lts-announce/2019/08/msg00017.html
seclists.org/bugtraq/2019/Aug/13
seclists.org/bugtraq/2019/Aug/18
security.netapp.com/advisory/ntap-20190719-0003/
support.f5.com/csp/article/K11225249
usn.ubuntu.com/4076-1/
www.debian.org/security/2019/dsa-4495
www.debian.org/security/2019/dsa-4497
Related
8.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7 High
AI Score
Confidence
Low
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.008 Low
EPSS
Percentile
81.5%