Information disclosure in Linux Kernel
CVE-2017-14954
The waitid implementation in kernel/exit.c in the Linux kernel through 4.13.4 accesses rusage data structures in unintended cases, which allows local users to obtain sensitive information, and bypass the KASLR protection mechanism, via a crafted system call.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/6c85501f2fabcfc4fc6ed976543d252c4eaf4be9 (Patch, Third Party Advisory, Issue Tracking)
- grsecurity.net/~spender/exploits/wait_for_kaslr_to_be_effective.c (Third Party Advisory)
- twitter.com/grsecurity/status/914079864478666753 (Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- twitter.com/_argp/status/914021130712870912 (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-14954?
- CVE-2017-14954 is a medium-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 5.5/10. Published 2017-10-02.
- How severe is CVE-2017-14954?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-14954 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.