Vulnerability Details : CVE-2018-10021
** DISPUTED ** drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by triggering certain failure conditions. NOTE: a third party disputes the relevance of this report because the failure can only occur for physically proximate attackers who unplug SAS Host Bus Adapter cables.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-10021
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-10021
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
References for CVE-2018-10021
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https://usn.ubuntu.com/3754-1/
USN-3754-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/3696-2/
USN-3696-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices
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https://github.com/torvalds/linux/commit/318aaf34f1179b39fa9c30fa0f3288b645beee39
scsi: libsas: defer ata device eh commands to libata · torvalds/linux@318aaf3 · GitHubThird Party Advisory
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https://usn.ubuntu.com/3678-3/
USN-3678-3: Linux kernel (Azure) vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/3678-1/
USN-3678-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/3678-4/
USN-3678-4: Linux kernel (Raspberry Pi 2) vulnerabilities | Ubuntu security notices
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https://bugzilla.suse.com/show_bug.cgi?id=1089281
Bug 1089281 – VUL-0: CVE-2018-10021: kernel-source: drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows localusers to cause a denial of service (ata qc leak) by triggering certaIssue Tracking;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
[SECURITY] [DLA 1423-1] linux-4.9 new package
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https://usn.ubuntu.com/3678-2/
USN-3678-2: Linux kernel (Azure) vulnerabilities | Ubuntu security notices
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=318aaf34f1179b39fa9c30fa0f3288b645beee39
kernel/git/torvalds/linux.git - Linux kernel source treeVendor Advisory
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https://usn.ubuntu.com/3696-1/
USN-3696-1: Linux kernel vulnerabilities | Ubuntu security notices
Products affected by CVE-2018-10021
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*