High severity · published Aug 19, 2017
CVE-2017-10661
Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via…
7.0
CVSS
13.5%
EPSS
No
On KEV
Description
Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)13.5% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 3.2.92; 3.3 before 3.16.47; 3.17 before 3.18.52; 3.19 before 4.1.41; 4.2 before 4.4.67; 4.5 before 4.9.27; +1 more · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
EL
Enterprise Linux Aus · Redhat
7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-10661
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-10661
Issue Tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1e38da300e1e395a15048b0af1e5305bd91402f6
Mailing List
http://www.debian.org/security/2017/dsa-3981
Release Notes
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.15
Third Party Advisory
http://www.securityfocus.com/bid/100215
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3083
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096
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