CVE-2024-45016 — Use After Free in Linux
Severity
5.5MEDIUMNVD
OSV7.8OSV7.0
EPSS
0.0%
top 92.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 11
Latest updateDec 12
Description
In the Linux kernel, the following vulnerability has been resolved:
netem: fix return value if duplicate enqueue fails
There is a bug in netem_enqueue() introduced by
commit 5845f706388a ("net: netem: fix skb length BUG_ON in __skb_to_sgvec")
that can lead to a use-after-free.
This commit made netem_enqueue() always return NET_XMIT_SUCCESS
when a packet is duplicated, which can cause the parent qdisc's q.qlen
to be mistakenly incremented. When this happens qlen_notify() may be
skipped on the …
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