Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: isc-dhcp (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2064007
Title:
execve from NetworkManager fails - wrong path in app-armor profile?
Status in isc-dhcp package in Ubuntu:
Confirmed
Bug description:
Linux <hostname> 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat
Apr 20 00:40:06 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
```/etc/os-release
PRETTY_NAME="Ubuntu 24.04 LTS"
NAME="Ubuntu"
VERSION_ID="24.04"
VERSION="24.04 LTS (Noble Numbat)"
VERSION_CODENAME=noble
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
UBUNTU_CODENAME=noble
LOGO=ubuntu-logo
```
```/etc/apparmor.d/sbin.dhclient
[...]
# Support the new executable helper from NetworkManager.
/usr/lib/NetworkManager/nm-dhcp-helper Pxrm,
signal (receive) peer=/usr/lib/NetworkManager/nm-dhcp-helper,
[...]
```
Starting network manager results in
```
/var/log/syslog:2024-04-28T13:35:22.453634+02:00 <hostname> dhclient[<pid>]:
execve (/usr/libexec/nm-dhcp-helper, ...): Permission denied
```
`/usr/lib/NetworkManager/nm-dhcp-helper` does not exist on the system.
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