CVE-2017-12762: canonical ubuntu_linux
Vulnerability summary
CVE-2017-12762 is a high (CVSS 10.0) vulnerability in canonical ubuntu_linux. EPSS estimates a 5.23% chance of exploitation in the next 30 days, higher than 92.5% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 22 · Related 22Timeline
- 09-08-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In /drivers/isdn/i4l/isdn_net.c: A user-controlled buffer is copied into a local buffer of constant size using strcpy without a length check which can cause a buffer overflow. This affects the Linux kernel 4.9-stable tree, 4.12-stable tree, 3.18-stable tree, and 4.4-stable tree.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
5.23%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.23% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu19 products
- linux< 3.13.0-144.193 | < 4.4.0-96.119
- linux-aws< 4.4.0-1035.44
- linux-azure< 4.13.0-1005.7
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04
Debian1 product
- linux< 4.13.4-1
Linux1 product
- linux_kernel≥ 3.18, < 3.18.64 | ≥ 3.19, ≤ 4.4.80 | ≥ 4.5, ≤ 4.9.41 | ≥ 4.10, ≤ 4.12.5
4 vendors · 22 products
