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  1. CVEs
  2. CVE-2018-20836
  1. CVEs

CVE-2018-20836

high
  • Information
  • CPEs
  • Plugins

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

  • Advisories
  • More

https://www.debian.org/security/2019/dsa-4497

https://www.debian.org/security/2019/dsa-4495

https://usn.ubuntu.com/4076-1/

https://support.f5.com/csp/article/K11225249

https://security.netapp.com/advisory/ntap-20190719-0003/

https://seclists.org/bugtraq/2019/Aug/18

https://seclists.org/bugtraq/2019/Aug/13

https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html

https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html

http://www.securityfocus.com/bid/108196

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00014.html

https://github.com/torvalds/linux/commit/b90cd6f2b905905fb42671009dc0e27c310a16ae

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b90cd6f2b905905fb42671009dc0e27c310a16ae

Details

Source: Mitre, NVD

Published: 2019-05-07

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.01106

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