CVE-2024-26582
A critical bug in the Linux kernel’s TLS decryption path can cause a use‑after‑free when packets are partially read. The flaw allows an attacker to crash the system or potentially run arbitrary code. The issue has been fixed in newer kernel releases.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Linux kernel (all distributions using affected kernel versions).
Real-world impact
An attacker could crash the kernel or gain code execution by sending specially crafted TLS packets, leading to denial of service or compromise of the host.
Why this severity
The CVSS score of 9.8 reflects that the vulnerability requires no authentication or user interaction, and it can compromise confidentiality, integrity, and availability of the system.
What to do about it
- 01Upgrade the Linux kernel to a version that includes the CVE-2024-26582 fix.
- 02Reboot the system to load the updated kernel.
NVD description
Timeline
- Feb 21, 2024 · Feb 21, 2024PublishedDisclosed and added to the National Vulnerability Database.
- Aug 4, 2026 · 2d agoAdvisory updatedThe NVD record was last revised.
- Aug 5, 2026 · 8h agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.