CVE-2019-8912 is a use-after-free vulnerability in the Linux kernel (versions through 4.20.11) affecting Canonical, Linux, openSUSE, and Red Hat distributions. It stems from a failure in the af_alg_release() function to properly nullify a structure member, leading to a use-after-free condition in sockfs_setattr. This vulnerability has a CVSSv3.1 score of 7.8 (High), indicating that a local attacker with low privileges can achieve high impact on confidentiality, integrity, and availability with low attack complexity. There is no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.10, < 4.14.103CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.19, < 4.19.25CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 4.20.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.0:rc1:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.0:rc2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.