the profile snapd generated for a test snap, that was compiled with host
apparmor mediates network and old-network:
root@ubuntu-26-04:/var/cache/apparmor/70b6ca72.0#
/snap/apparmor-insight/current/bin/apparmor-insight info
snap.image-garden.image-garden | grep mediate
profile[0].path_flags.mediate_deleted true
profile[0].policy.mediates.old-network true
profile[0].policy.mediates.mount true
profile[0].policy.mediates.ptrace true
profile[0].policy.mediates.signal true
profile[0].policy.mediates.network true
profile[0].policy.mediates.label true
profile[0].policy.mediates.dbus true
The set of apparmor features exposed by 6.18 and 6.19 is identical.
Given a revert of the kernel fixes this issue, this looks like a problem
in 6.19
** Package changed: ubuntu => linux-meta (Ubuntu)
** Changed in: linux-meta (Ubuntu)
Status: New => Confirmed
** Changed in: snapd
Status: Confirmed => Invalid
** Summary changed:
- AppArmor blocking network receive operations breaks all Electron snaps in
Ubuntu 26.04
+ AppArmor blocks network sockets with Linux 6.19
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https://bugs.launchpad.net/bugs/2141298
Title:
AppArmor blocks network sockets with Linux 6.19
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