CVE-2024-35857
High
Description
In the Linux kernel, the following vulnerability has been resolved: icmp: prevent possible NULL dereferences from icmp_build_probe() First problem is a double call to __in_dev_get_rcu(), because the second one could return NULL. if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list) Second problem is a read from dev->ip6_ptr with no NULL check: if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list)) Use the correct RCU API to fix these. v2: add missing include <net/addrconf.h>
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux Kernel
PublishedMay 17, 2024
First seenMay 17, 2024
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.15.158, 6.1.90, 6.6.30, 6.8.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.13 ≤ v < 5.15.158, 5.16 ≤ v < 6.1.90, 6.2 ≤ v < 6.6.30, 6.7 ≤ v < 6.8.9, 6.9 | 5.15.158, 6.1.90, 6.6.30, 6.8.9 |
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