A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.
A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.
We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.
| Software | From | Fixed in |
|---|---|---|
| debian / debian_linux | 10.0 | 10.0.x |
| linux / linux_kernel | - | 4.14.332 |
| linux / linux_kernel | 4.15 | 4.19.301 |
| linux / linux_kernel | 4.20 | 5.4.263 |
| linux / linux_kernel | 5.5 | 5.10.203 |
| linux / linux_kernel | 5.11 | 5.15.142 |
| linux / linux_kernel | 5.16 | 6.1.66 |
| linux / linux_kernel | 6.2 | 6.6.5 |