** Also affects: linux-azure (Ubuntu Noble)
Importance: Undecided
Status: New
** Also affects: linux-azure (Ubuntu Oracular)
Importance: Undecided
Status: New
** Changed in: linux-azure (Ubuntu Noble)
Status: New => Fix Committed
** Changed in: linux-azure (Ubuntu Oracular)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2076291
Title:
kernel panic was caused by a fatal exception due to a null pointer
dereference in the iptable_nat module
Status in linux-azure package in Ubuntu:
Fix Committed
Status in linux-azure source package in Jammy:
Fix Committed
Status in linux-azure source package in Noble:
Fix Committed
Status in linux-azure source package in Oracular:
Fix Committed
Bug description:
[Impact]
* Microsoft has requested a patch to address a kernel panic issue
similar to the upstream issue here -
https://patchwork.kernel.org/project/netdevbpf/patch/[email protected]/
[Fix]
* Clean cherry-pick upstream commit 5830aa863981: "netfilter:
iptables: Fix null-ptr-deref in iptable_nat_table_init()"
[Test Plan]
* Build and boot tested
[Where problems could occur]
* Low regression risk, mostly shifting logic
* Change to order of register_pernet_subsys() and xt_register_template()
could expose some other logic being held together under race condition
[Other info]
* SF #00391736
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