7.8

CVE-2026-23098

In the Linux kernel, the following vulnerability has been resolved:

netrom: fix double-free in nr_route_frame()

In nr_route_frame(), old_skb is immediately freed without checking if
nr_neigh->ax25 pointer is NULL. Therefore, if nr_neigh->ax25 is NULL,
the caller function will free old_skb again, causing a double-free bug.

Therefore, to prevent this, we need to modify it to check whether
nr_neigh->ax25 is NULL before freeing old_skb.
Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
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Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 2.6.12.1 < 5.10.249
LinuxLinux Kernel Version >= 5.11 < 5.15.199
LinuxLinux Kernel Version >= 5.16 < 6.1.162
LinuxLinux Kernel Version >= 6.2 < 6.6.122
LinuxLinux Kernel Version >= 6.7 < 6.12.68
LinuxLinux Kernel Version >= 6.13 < 6.18.8
LinuxLinux Kernel Version2.6.12 Update-
LinuxLinux Kernel Version2.6.12 Updaterc2
LinuxLinux Kernel Version2.6.12 Updaterc3
LinuxLinux Kernel Version2.6.12 Updaterc4
LinuxLinux Kernel Version2.6.12 Updaterc5
LinuxLinux Kernel Version6.19 Updaterc1
LinuxLinux Kernel Version6.19 Updaterc2
LinuxLinux Kernel Version6.19 Updaterc3
LinuxLinux Kernel Version6.19 Updaterc4
LinuxLinux Kernel Version6.19 Updaterc5
LinuxLinux Kernel Version6.19 Updaterc6
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.032
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.