Red Hat Linux kernel patches multiple CVEs
CERT-FR advisory details multiple Red Hat Enterprise Linux kernel vulnerabilities allowing RCE, privilege escalation, and denial of service.
Sourcecert.ssi.gouv.fr — open the original
What to check
- Applies to
- The 28 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-2026-43500 (weaponized); no exploitation in the wild is recorded.
CERT-FR has published an advisory (CERTFR-2026-AVI-0955) covering numerous vulnerabilities discovered in the Linux kernel as shipped in Red Hat Enterprise Linux and related products, including OpenShift Container Platform, CodeReady Linux Builder, and Real Time variants across multiple architectures (x86_64, aarch64, s390x, ppc64le). The affected products span current and extended-support releases from RHEL 7 through 10.2.
According to the advisory, some of these vulnerabilities could allow an attacker to achieve remote arbitrary code execution, privilege escalation, or remote denial of service, alongside risks to data confidentiality, data integrity, and security policy bypass. The advisory references thirteen Red Hat Security Advisories (RHSAs) issued between July 24 and July 30, 2026, and lists 28 associated CVEs spanning the kernel codebase. No indication of active exploitation is provided in the advisory.
Organizations running affected Red Hat Enterprise Linux versions or derivative products should apply the patches referenced in the corresponding RHSA bulletins as a priority, particularly for systems exposed to untrusted input or multi-tenant workloads where privilege escalation or RCE risks are most acute.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0955
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