CVE-2019-16995: linux linux_kernel
Vulnerability summary
CVE-2019-16995 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 3.53% chance of exploitation in the next 30 days, higher than 89.2% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 13 · Related 13Timeline
- 30-09-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev_finalize() in net/hsr/hsr_device.c if hsr_add_port fails to add a port, which may cause denial of service, aka CID-6caabe7f197d.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.53%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.53% 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
1 foundExploit Reference (cdn.kernel.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu23 products
- linux< 4.4.0-148.174 | < 4.15.0-60.67
- linux-aws< 4.4.0-1044.47 | < 4.4.0-1083.93 | < 4.15.0-1047.49
- linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
- linux-aws-hwe< 4.15.0-1047.49~16.04.1
- linux-azure< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1
Netapp15 products
Debian1 product
- linux< 4.19.37-1
Linux1 product
- linux_kernel≥ 3.17, < 3.18.137 | ≥ 4.4, < 4.4.177 | ≥ 4.9, < 4.9.164 | ≥ 4.14, < 4.14.107 | ≥ 4.19, < 4.19.30 | ≥ 4.20, < 4.20.17 | ≥ 5.0, < 5.0.3 | 5.1:rc1
Opensuse1 product
- leapEOL15.0 | 15.1
5 vendors · 41 products
References
10 links- github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626X Refsource MISCPatchThird Party AdvisoryREPORT
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3X Refsource MISCExploitRelease NotesVendor AdvisoryREPORT
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
