PT-2025-8886 · Linux+1 · Linux Kernel+1

Marc Kleine-Budde + 1 · Publicado 2025-01-27 · Atualizado 2025-03-01 · CVE-2025-21774

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

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

Description A vulnerability in the Linux kernel has been resolved. The issue concerned the rkcanfd handle rx fifo overflow int() function, where a NULL pointer check was fixed to bail out if an skb cannot be allocated.

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

Exploit

NULL Pointer Dereference

Enumeração de Fraquezas

CWE-476

Identificadores relacionados

BDU:2025-12200

CVE-2025-21774

Produtos afetados

Astra Linux

Linux Kernel

Referências · 23

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21774.json · Exploit
• https://ubuntu.com/security/CVE-2025-21774 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2025-21774 · Nota de Segurança
• https://twitter.com/VulmonFeeds/status/1895004100518871367 · Publicação no Twitter
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-21774 · Aviso do Fabricante
• https://t.me/cvedetector/19014 · Publicação no Telegram
• https://git.kernel.org/stable/c/946750e7865df2e70045071051abf768785dd570 · Correção
• https://security-tracker.debian.org/tracker/CVE-2025-21774 · Aviso do Fabricante
• https://linux.oracle.com/errata/ELSA-2025-20530.html · Aviso do Fabricante
• https://git.kernel.org/stable/c/118fb35681bd2c0d2afa22f7be0ef94bb4d06849 · Correção
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Nota
• https://docs.bell-sw.com/security/cves/CVE-2025-21774 · Nota
• https://git.kernel.org/stable/c/f7f0adfe64de08803990dc4cbecd2849c04e314a · Correção
• https://osv.dev/vulnerability/BELL-CVE-2025-21774 · Aviso do Fabricante
• https://osv.dev/vulnerability/CVE-2025-21774 · Aviso do Fabricante