Buffer overflow in Linux Kernel
CVE-2017-14497
The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and memory corruption) or possibly have unspecified other impact via crafted system calls.
Vulnerability class: Buffer Overflow
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: 0.006 (44.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Linux Kernel
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- marc.info/ (Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- seclists.org/oss-sec/2017/q3/476 (mailing-list, Mailing List, Third Party Advisory)
- www.securitytracker.com/id/1039371 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/100871 (VDB Entry, Third Party Advisory, vdb-entry)
- source.android.com/security/bulletin/2018-01-01 (Third Party Advisory)
- www.debian.org/security/2017/dsa-3981 (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/edbd58be15a957f6a760c4a514cd475217eb97fd (Patch, Third Party Advisory, Issue Tracking)
- marc.info/ (Patch, Mailing List, Third Party Advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-14497?
- CVE-2017-14497 is a high-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-09-15.
- How severe is CVE-2017-14497?
- High severity. CVSS v3 base score is 7.8 out of 10.