CVE-2015-7837 describes a local privilege escalation vulnerability in the Linux kernel, specifically affecting Red Hat Enterprise Linux 7 and related products when booted with UEFI Secure Boot enabled. An attacker can bypass securelevel/secureboot restrictions by exploiting improper handling of the secure_boot flag during a kexec reboot. This medium-severity vulnerability has a CVSS score of 5.5, indicating low attack complexity and privileges required, with a high impact on integrity but no impact on confidentiality or availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | ||
7.2CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.2:*:*:*:*:*:*:* | ||
7.3CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.3:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | ||
7.3CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.