Vulnerability Details : CVE-2019-16994
In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.
Vulnerability category: Denial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-16994
Probability of exploitation activity in the next 30 days: 0.08%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 32 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-16994
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:N/I:N/A:C |
3.4
|
6.9
|
NIST |
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2019-16994
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The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-16994
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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12b26e21ab359261bf75cfcb424fdc7daeb6d
kernel/git/torvalds/linux.git - Linux kernel source treeExploit;Issue Tracking;Patch;Vendor Advisory
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https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6d
net: sit: fix memory leak in sit_init_net() · torvalds/linux@07f12b2 · GitHubPatch;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20191031-0005/
October 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
[security-announce] openSUSE-SU-2020:0336-1: important: Security updateMailing List;Third Party Advisory
Products affected by CVE-2019-16994
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*