High severity · published Sep 19, 2018
CVE-2018-17182
An issue was discovered in the Linux kernel through 4.18.8
7.8
CVSS
3.2%
EPSS
No
On KEV
Description
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
3.16 before 3.16.58; 3.17 before 3.18.123; 3.19 before 4.4.157; 4.5 before 4.9.128; 4.10 before 4.14.71; 4.15 before 4.18.9 · source: NVD
AI
Active IQ Performance Analytics Services · Netapp
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
ES
Element Software · Netapp
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-17182
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-17182
Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
Third Party Advisory
http://www.securityfocus.com/bid/105417
Third Party Advisory
http://www.securityfocus.com/bid/106503
Patch
http://www.securitytracker.com/id/1041748
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3656
Patch
https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339b2
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