Out-of-bounds Read in Linux Kernel
CVE-2017-7277
The TCP stack in the Linux kernel through 4.10.6 mishandles the SCM_TIMESTAMPING_OPT_STATS feature, which allows local users to obtain sensitive information from the kernel's internal socket data structures or cause a denial of service (out-of-bounds read) via crafted system calls, related to net/core/skbuff.c and net/socket.c.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% 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
- patchwork.ozlabs.org/patch/740636/ (Patch, Third Party Advisory)
- lkml.org/lkml/2017/3/15/485 (Mailing List, Third Party Advisory)
- github.com/torvalds/linux/commit/8605330aac5a5785630aec8f64378a54891937cc (Patch, Third Party Advisory, Issue Tracking)
- patchwork.ozlabs.org/patch/740639/ (Patch, Third Party Advisory)
- www.securityfocus.com/bid/97141 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- github.com/torvalds/linux/commit/4ef1b2869447411ad3ef91ad7d4891a83c1a509a (Patch, Third Party Advisory, Issue Tracking)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-7277?
- CVE-2017-7277 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2017-03-28.
- How severe is CVE-2017-7277?
- High severity. CVSS v3 base score is 7.1 out of 10.