| 2022-01-06 13:34:41 |
Thadeu Lima de Souza Cascardo |
bug |
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|
added bug |
| 2022-01-10 18:10:07 |
Launchpad Janitor |
linux (Ubuntu): status |
New |
Fix Released |
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| 2022-01-11 03:42:58 |
Steve Beattie |
information type |
Private Security |
Public Security |
|
| 2022-01-11 03:47:15 |
Steve Beattie |
description |
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/+source/linux/+git/impish/commit/?id=53fb7741ff9d546174dbb585957b4f8b6afbdb83 |
|
| 2022-01-11 03:56:58 |
Steve Beattie |
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 |
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 |
|
| 2022-01-11 04:02:05 |
Steve Beattie |
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 |
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. |
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| 2022-01-11 05:50:21 |
Steve Beattie |
bug |
|
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added subscriber Steve Beattie |
| 2022-01-11 16:33:38 |
Steve Beattie |
cve linked |
|
2021-4204 |
|
| 2022-01-27 23:33:59 |
Ubuntu Kernel Bot |
tags |
|
verification-needed-focal |
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| 2022-05-10 19:30:36 |
Brian Murray |
tags |
verification-needed-focal |
removal-candidate verification-needed-focal |
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