This bug was fixed in the package linux-azure - 5.4.0-1008.8
---------------
linux-azure (5.4.0-1008.8) focal; urgency=medium
[ Ubuntu: 5.4.0-21.25 ]
* CVE-2020-8835
- SAUCE: bpf: undo incorrect __reg_bound_offset32 handling
-- Thadeu Lima de Souza Cascardo <casca...@canonical.com> Fri, 27 Mar
2020 17:57:04 -0300
** Changed in: linux-azure (Ubuntu Focal)
Status: New => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-8835
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https://bugs.launchpad.net/bugs/1867820
Title:
linux-azure: Update SGX version and udev rules
Status in linux-azure package in Ubuntu:
Fix Released
Status in linux-base package in Ubuntu:
Fix Released
Status in linux-azure source package in Trusty:
Invalid
Status in linux-base source package in Trusty:
Invalid
Status in linux-azure source package in Xenial:
Fix Released
Status in linux-base source package in Xenial:
Fix Released
Status in linux-azure source package in Bionic:
Fix Released
Status in linux-base source package in Bionic:
Fix Released
Status in linux-azure source package in Eoan:
Fix Released
Status in linux-base source package in Eoan:
Fix Released
Status in linux-azure source package in Focal:
Fix Released
Status in linux-base source package in Focal:
Fix Released
Bug description:
[Impact]
We will use the official Intel's DCAP git repository to keep SGX up-
to-date. We need to update the driver included to the linux-azure
kernels to the version located at:
https://github.com/intel/SGXDataCenterAttestationPrimitives/tree/LD_1.22/driver/linux
Including the provided udev rules.
[Test Case]
The driver should continue to work normally. The main difference
should be the permissions and groups for the /dev/sgx (0666) and
/dev/sgx_prv (0660 with sgx_prc group).
[Regression Potential]
The regression potential is low since the functional changes are not
meaningful and the permissions are less restrictive.
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