Vulnerability Details : CVE-2020-12652
The __mptctl_ioctl function in drivers/message/fusion/mptctl.c in the Linux kernel before 5.4.14 allows local users to hold an incorrect lock during the ioctl operation and trigger a race condition, i.e., a "double fetch" vulnerability, aka CID-28d76df18f0a. NOTE: the vendor states "The security impact of this bug is not as bad as it could have been because these operations are all privileged and root already has enormous destructive power."
Products affected by CVE-2020-12652
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12652
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12652
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST | |
|
4.1
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.5
|
3.6
|
NIST |
CWE ids for CVE-2020-12652
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12652
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
[SECURITY] [DLA 2241-2] linux security update
-
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
[security-announce] openSUSE-SU-2020:0801-1: important: Security update
-
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=28d76df18f0ad5bcf5fa48510b225f0ed262a99b
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
[SECURITY] [DLA 2241-1] linux security update
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
[SECURITY] [DLA 2242-1] linux-4.9 security update
-
https://security.netapp.com/advisory/ntap-20200608-0001/
May 2020 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
-
https://www.debian.org/security/2020/dsa-4698
Debian -- Security Information -- DSA-4698-1 linux
-
https://github.com/torvalds/linux/commit/28d76df18f0ad5bcf5fa48510b225f0ed262a99b
scsi: mptfusion: Fix double fetch bug in ioctl · torvalds/linux@28d76df · GitHubPatch;Third Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.14
Release Notes;Vendor Advisory
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