CVE-2019-17133: canonical ubuntu_linux
Vulnerability summary
CVE-2019-17133 is a critical (CVSS 9.8) vulnerability in canonical ubuntu_linux. EPSS estimates a 6.71% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 7% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 39 · Related 27Timeline
- 04-10-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
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
6.71%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.71% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu32 products
- linuxAll versions (No fix recorded) | < 4.4.0-170.199 | < 4.15.0-72.81
- linux-aws< 4.4.0-1059.63 | < 4.4.0-1099.110 | < 4.15.0-1056.58
- linux-aws-5.0< 5.0.0-1023.26~18.04.1
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1056.58~16.04.1
Debian2 products
- linux< 5.3.9-1
- debian_linuxEOL8.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.04
Linux1 product
- linux_kernel≥ 2.6.32, < 3.16.77 | ≥ 3.17, < 4.4.198 | ≥ 4.5, < 4.9.198 | ≥ 4.10, < 4.14.151 | ≥ 4.15, < 4.19.81 | ≥ 4.20, < 5.3.8
Opensuse1 product
- leapEOL15.1
5 vendors · 37 products
References
32 links- lists.opensuse.org/opensuse-security-announce/2019-10/msg00064.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/01/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 32 references
- lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlMailing ListX Refsource MLISTThird Party Advisory
- packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlX Refsource MISCThird Party AdvisoryVDB Entry
- marc.info?l=linux-wireless&m=157018270915487&w=2X Refsource MISCREPORTMailing ListPatchThird Party Advisory