[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-27 Thread Ubuntu Kernel Bot
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 st

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-18 Thread Seth Arnold
Yes, hopefully you can do that without resorting to a rescue image. Booting with `init=/bin/bash` may help if you can't uninstall it gently. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/195658

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-16 Thread Nguyen Dinh Tu
Hello Seth, Yes I've just installed McAfee antivirus. So should I remove antivirus tool? Thank you, Tu -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956585 Title: OOB write on BPF_RINGBUF To man

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-14 Thread Seth Arnold
Nguyen, do you have any antivirus tools installed? That's the usual cause of errors like this. Thanks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956585 Title: OOB write on BPF_RINGBUF To manag

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-14 Thread Nguyen Dinh Tu
I applied 'sudo sysctl kernel.unprivileged_bpf_disabled=1' But it is still failed while install 'sudo apt install linux- image-5.11.0-46-generic' dpkg: error processing archive /var/cache/apt/archives/linux-image-5.11.0-46-generic_5.11.0-46.51~20.04.1_amd64.deb (--unpack): unable to open '/boo

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-11 Thread Steve Beattie
This was assigned CVE-2021-4204. ** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-4204 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956585 Title: OOB write on BPF_RINGBUF To man

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-10 Thread Steve Beattie
** Description changed: 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 Mitiga

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-10 Thread Steve Beattie
** Description changed: 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 + + Mitiga

[Bug 1956585] Re: OOB write on BPF_RINGBUF

2022-01-10 Thread Steve Beattie
** Information type changed from Private Security to Public Security ** Description changed: - Placeholder bug. + 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/