ACK: [PATCH 0/1][j linux] Fix minor regression in CVE-2022-40982
Stefan Bader
stefan.bader at canonical.com
Fri Sep 15 08:17:57 UTC 2023
On 12.09.23 17:07, Tim Gardner wrote:
> BugLink: https://bugs.launchpad.net/bugs/2034745
>
> SRU Justification
>
> [Impact]
>
> In 5.15.0-1045, only loading enclaves with XFRM set to 3 works, sgx_encl_init returns
> EINVAL. The only reason this wouldn't work properly is if sgx_drv_init thinks XSAVE
> isn't enabled. This works fine in j/linux-azure 5.15.0-1043.
>
> Likely cause:
> 1045 adds this patch: https://github.com/torvalds/linux/commit/b81fac906a8f9e682e513ddd95697ec7a20878d4 .
> This later patch indicates that the former patch introduced some ordering problems.
> https://github.com/torvalds/linux/commit/2c66ca3949dc701da7f4c9407f2140ae425683a5 .
> That later patch isn't applied to j/linux-azure 5.15.0-1045.
>
> [Test Plan]
>
> User test results pending, but it is a fix commit, so likely worth
> applying regardless.
>
> [Regression Potential]
>
> SGX could continue to fail.
>
>
Acked-by: Stefan Bader <stefan.bader at canonical.com>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_0xE8675DEECBEECEA3.asc
Type: application/pgp-keys
Size: 44613 bytes
Desc: OpenPGP public key
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20230915/d7f028df/attachment-0001.key>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20230915/d7f028df/attachment-0001.sig>
More information about the kernel-team
mailing list