PT-2026-27645 · Linux · Linux Kernel

Jann Horn · CVE-2026-23280 · Publicado 2026-01-01 · Atualizado 2026-05-22

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel's accel/amdxdna component where a calculation of the ubuf size can overflow. This overflow can lead to an undersized memory allocation and potential memory corruption. The issue is addressed by using check add overflow() helpers to validate the size calculation before memory is allocated.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Identificadores relacionados

CVE-2026-23280

Produtos afetados

Linux Kernel

Referências · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23280.json · Exploit
• https://osv.dev/vulnerability/CVE-2026-23280 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2026-23280 · Nota de Segurança
• https://git.kernel.org/linus/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6 · Nota
• https://ubuntu.com/security/CVE-2026-23280 · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-23280 · Aviso do Fabricante
• https://git.kernel.org/stable/c/03808abb1d868aed7478a11a82e5bb4b3f1ca6d6 · Correção
• https://docs.bell-sw.com/security/cves/CVE-2026-23280 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-23280 · Nota de Segurança
• https://t.me/cveNotify/164482 · Publicação no Telegram
• https://twitter.com/CVEarity/status/2039021817604804640 · Publicação no Twitter
• https://osv.dev/vulnerability/BELL-CVE-2026-23280 · Aviso do Fabricante
• https://git.kernel.org/stable/c/1500b31db94374a6669e73ce94d6f71cf8e85e06 · Correção
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-23280 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2026-23280 · Aviso do Fabricante