Use After Free in Linux Kernel
CVE-2017-17052
The mm_init function in kernel/fork.c in the Linux kernel before 4.12.10 does not clear the ->exe_file member of a new process's mm_struct, allowing a local attacker to achieve a use-after-free or possibly have unspecified other impact by running a specially crafted program.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking)
- www.securityfocus.com/bid/102009 (VDB Entry, Third Party Advisory, vdb-entry)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.10 (Issue Tracking)
- github.com/torvalds/linux/commit/2b7e8665b4ff51c034c55df3cff76518d1a9ee3a (Patch)
Frequently asked questions
- What is CVE-2017-17052?
- CVE-2017-17052 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2017-11-29.
- How severe is CVE-2017-17052?
- High severity. CVSS v3 base score is 7.8 out of 10.