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CVE-2022-49561

MEDIUM

5.5

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung5.5

SchweregradMEDIUM

CVSS VektorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AngriffsvektorLOCAL

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/26/2025

Zuletzt geandert10/24/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

linux:linux_kernel

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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