CVE-2018-11508
The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitive information from kernel memory via adjtimex.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.7%. Treat it as high on anything reachable from the internet.
Description
The compat_get_timex function in kernel/compat.c in the Linux kernel before 4.16.9 allows local users to obtain sensitive information from kernel memory via adjtimex.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.69% probability · 77th percentile
- Public exploits
- 1 in Exploit-DB · first 21 January 2019
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 1.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a0b98734479aa5b3c671d5190e86273372cab95Patch, Vendor Advisory
- http://www.securityfocus.com/bid/104292Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1574Exploit, Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/0a0b98734479aa5b3c671d5190e86273372cab95Patch, Third Party Advisory
- https://usn.ubuntu.com/3695-1/Third Party Advisory
- https://usn.ubuntu.com/3695-2/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://www.exploit-db.com/exploits/46208/Exploit, Third Party Advisory, VDB Entry
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.9Release Notes, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a0b98734479aa5b3c671d5190e86273372cab95Patch, Vendor Advisory
- http://www.securityfocus.com/bid/104292Third Party Advisory, VDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1574Exploit, Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/0a0b98734479aa5b3c671d5190e86273372cab95Patch, Third Party Advisory
- https://usn.ubuntu.com/3695-1/Third Party Advisory
- https://usn.ubuntu.com/3695-2/Third Party Advisory
- https://usn.ubuntu.com/3697-1/Third Party Advisory
- https://usn.ubuntu.com/3697-2/Third Party Advisory
- https://www.exploit-db.com/exploits/46208/Exploit, Third Party Advisory, VDB Entry
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.9Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.