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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-48807
HistoryJul 16, 2024 - 12:15 p.m.

CVE-2022-48807

2024-07-1612:15:05
Debian Security Bug Tracker
security-tracker.debian.org
3
linux kernel
vulnerability fix
lag netdev_unregister

AI Score

6.6

Confidence

High

EPSS

0

Percentile

16.0%

In the Linux kernel, the following vulnerability has been resolved: ice: Fix KASAN error in LAG NETDEV_UNREGISTER handler Currently, the same handler is called for both a NETDEV_BONDING_INFO LAG unlink notification as for a NETDEV_UNREGISTER call. This is causing a problem though, since the netdev_notifier_info passed has a different structure depending on which event is passed. The problem manifests as a call trace from a BUG: KASAN stack-out-of-bounds error. Fix this by creating a handler specific to NETDEV_UNREGISTER that only is passed valid elements in the netdev_notifier_info struct for the NETDEV_UNREGISTER event. Also included is the removal of an unbalanced dev_put on the peer_netdev and related braces.

AI Score

6.6

Confidence

High

EPSS

0

Percentile

16.0%