← Volver a CVEs

CVE-2022-49561

MEDIUM

5.5

Descripcion

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry. This wasn't found before because the conntrack entry and the extension space used to free'd after an rcu grace period, plus the race needs events enabled to trigger.

Detalles CVE

Puntuacion CVSS v3.15.5

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado2/26/2025

Ultima modificacion10/24/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

linux:linux_kernel

Referencias

https://git.kernel.org/stable/c/01989d7eebb61c99bd4b88ebc8e261bd2f02caed(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/04e4a11dc723c52db7a36dc58f0d69ce6426f8f0(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/04f9e9104c969d8ce10a4a43634f641ed082092d(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/56b14ecec97f39118bf85c9ac2438c5a949509ed(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/91a36ec160ec1a0c8f5352b772dffcbb0b6023e3(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/92a999d1963eed0df666284e20055136ceabd12f(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/b16bb373988da3ceb0308381634117e18b6ec60d(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e97222b785e70e8973281666d709baad6523d8af(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.