CVE-2024-41081
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ila_output() As explained in commit 1378817486d6 ("tipc: block BH before using dst_cache"), net/core/dst_cache.c helpers need to be called with BH disabled. ila_output() is called from lwtunnel_output() possibly from process context, and under rcu_read_lock(). We might be interrupted by a softirq, re-enter ila_output() and corrupt dst_cache data structures. Fix the race by using local_bh_disable().
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux Kernel
PublishedJul 29, 2024
First seenJul 29, 2024
How to fix
Update
- linux linux_kernel4.19.319, 5.4.281, 5.10.223, 5.15.164, 6.1.101, 6.6.42, 6.9.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.10 ≤ v < 4.19.319, 4.20 ≤ v < 5.4.281, 5.5 ≤ v < 5.10.223, 5.11 ≤ v < 5.15.164, 5.16 ≤ v < 6.1.101, 6.2 ≤ v < 6.6.42, 6.7 ≤ v < 6.9.11, 6.10 | 4.19.319, 5.4.281, 5.10.223, 5.15.164, 6.1.101, 6.6.42, 6.9.11 |
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