PT-2025-25923 · Linux+1 · Linux Kernel+1

Publicado 2022-08-24 · Atualizado 2026-05-26 · CVE-2022-49997

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 identified, specifically in the lantiq xrx200 module. When memory allocation fails, an invalid buffer address is stored. Upon reusing this descriptor, the system crashes in the build skb() function due to an attempt to access memory at this invalid address.

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

Exploit

Memory Leak

Allocation of Resources Without Limits

Enumeração de Fraquezas

CWE-401

CWE-770

Identificadores relacionados

BDU:2026-03240

CVE-2022-49997

Produtos afetados

Debian

Linux Kernel

Referências · 17

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49997.json · Exploit
• https://twitter.com/CVEnew/status/1935723323331432599 · Publicação no Twitter
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Nota
• https://git.kernel.org/stable/c/3ef2786e32d93e562cd40601248a14ae090de873 · Correção
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49997 · Aviso do Fabricante
• https://lore.kernel.org/linux-cve-announce/2025061826-CVE-2022-49997-f087@gregkh · Nota
• https://git.kernel.org/stable/c/c9c3b1775f80fa21f5bff874027d2ccb10f5d90c · Correção
• https://osv.dev/vulnerability/CVE-2022-49997 · Aviso do Fabricante
• https://security-tracker.debian.org/tracker/CVE-2022-49997 · Aviso do Fabricante
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-49997 · Aviso do Fabricante
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2022-49997 · Nota de Segurança
• https://cve.org/CVERecord?id=CVE-2022-49997 · Nota de Segurança
• https://ubuntu.com/security/CVE-2022-49997 · Aviso do Fabricante
• https://bdu.fstec.ru/vul/2026-03240 · Nota de Segurança