This bug is awaiting verification that the linux- gcp-5.13/5.13.0-1013.16~20.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1956585 Title: OOB write on BPF_RINGBUF Status in linux package in Ubuntu: Fix Released Bug description: tr3e wang discovered that an OOB write existed in the eBPF subsystem in the Linux kernel on BPF_RINGBUF. Mitigation commit: https://git.launchpad.net/~ubuntu- kernel/ubuntu/+source/linux/+git/impish/commit/?id=53fb7741ff9d546174dbb585957b4f8b6afbdb83 Mitigation: Disable unprivileged ebpf with: $ sudo sysctl kernel.unprivileged_bpf_disabled=1 Unprivileged ebpf is disabled by default in Ubuntu 21.10 and newer. See https://www.kernel.org/doc/html/latest/admin- guide/sysctl/kernel.html#unprivileged-bpf-disabled for details on the configuration setting. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956585/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
