CVE-2025-38457 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV3.2
EPSS
0.0%
top 94.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 25
Latest updateMar 25
Description
In the Linux kernel, the following vulnerability has been resolved:
net/sched: Abort __tc_modify_qdisc if parent class does not exist
Lion's patch [1] revealed an ancient bug in the qdisc API.
Whenever a user creates/modifies a qdisc specifying as a parent another
qdisc, the qdisc API will, during grafting, detect that the user is
not trying to attach to a class and reject. However grafting is
performed after qdisc_create (and thus the qdiscs' init callback) is
executed. In qdiscs that eventua…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linux5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6 — 923a276c74e25073ae391e930792ac86a9f77f1e+8
Also affects: Debian Linux 11.0