CVE-2024-50127 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV8.8OSV6.7OSV6.3OSV5.5OSV4.7
EPSS
0.0%
top 94.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 5
Latest updateMay 28
Description
In the Linux kernel, the following vulnerability has been resolved:
net: sched: fix use-after-free in taprio_change()
In 'taprio_change()', 'admin' pointer may become dangling due to sched
switch / removal caused by 'advance_sched()', and critical section
protected by 'q->current_entry_lock' is too small to prevent from such
a scenario (which causes use-after-free detected by KASAN). Fix this
by prefer 'rcu_replace_pointer()' over 'rcu_assign_pointer()' to update
'admin' immediately before an …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9