Multiple Ubuntu Linux kernel vulnerabilities patched
Multiple Linux kernel vulnerabilities affecting Ubuntu 14.04 ESM through 26.04 LTS enable privilege escalation and remote denial of service.
Sourcecert.ssi.gouv.fr — open the original
What to check
- Applies to
- The 39 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation
- A public exploit is recorded for CVE-2026-43284 (weaponized); no exploitation in the wild is recorded.
CERT-FR has published an advisory on multiple vulnerabilities discovered in the Linux kernel used by Ubuntu. The affected versions span from Ubuntu 14.04 ESM through the latest Ubuntu 26.04 LTS release. The vulnerabilities permit attackers to achieve privilege escalation, trigger remote denial of service conditions, and exploit unspecified security issues. Ubuntu has released coordinated security updates across ten distinct USN bulletins issued on 12-13 August 2026, addressing the kernel flaws across the supported release lifecycle. Defenders running any affected Ubuntu version should prioritize applying the available kernel patches, which are detailed in the Ubuntu Security Notices referenced in the advisory documentation.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1027
Free public brief. Slack alerts on the vendors you run come with the paid plans, and a new account gets three days of them, no card.
What this brief leaves out
This page is the free tier: the write-up, the severity, the names. In the app the same report carries live profiles of the CVEs it names. The paid plans add the security research and news reporting the free tier leaves out.
It sits in a corpus of 16,433 reports from 149 sources, 661 of them written in the last seven days, and it grows through the day.
A new account starts with three days of all of it, no card, then keeps the government and CERT reporting free. Slack alerts are a paid-plan feature: name the vendors you run and Slack hears about the reports that touch them, not the rest of the week's. Nothing is charged unless you subscribe.
Create a free account What it costs