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Re: [PATCH] X.509: Fix the time validation [ver #3]

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Am 10.12.2015 um 10:23 schrieb Alexander Holler:
> Am 12.11.2015 um 12:38 schrieb David Howells:
>> This fixes CVE-2015-5327.  It affects kernels from 4.3-rc1 onwards.
>>
>> Fix the X.509 time validation to use month number-1 when looking up the
>> number of days in that month.  Also put the month number validation
>> before
>> doing the lookup so as not to risk overrunning the array.
>
> I've just run into this with 4.3.1 (mon_len ended up with 0 because of
> the wrong index). Which means currently build stable kernels with
> signature verification might not load modules (depending on which value
> the invalid index mon_len (12) ends up with.

Just in case of, I would suggest to quickly push out 4.3.2 (only 4.3 
seems to be affected) which contains at least the patch mentioned in the 
subject (58585c1fc301a36625db41ac7078c4dd0a218d84 in mainline).

Regards,

Alexander Holler
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Re: [PATCH] X.509: Fix the time validation [ver #3] Alexander Holler <holler@ahsoftware.de> - 2015-12-10 10:30 +0100
  Re: [PATCH] X.509: Fix the time validation [ver #3] Alexander Holler <holler@ahsoftware.de> - 2015-12-10 16:20 +0100
    Re: [PATCH] X.509: Fix the time validation [ver #3] Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-10 16:30 +0100
      Re: [PATCH] X.509: Fix the time validation [ver #3] Alexander Holler <holler@ahsoftware.de> - 2015-12-10 16:40 +0100
        Re: [PATCH] X.509: Fix the time validation [ver #3] Alexander Holler <holler@ahsoftware.de> - 2015-12-10 19:10 +0100
          Re: [PATCH] X.509: Fix the time validation [ver #3] Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-10 19:10 +0100
            Re: [PATCH] X.509: Fix the time validation [ver #3] Alexander Holler <holler@ahsoftware.de> - 2015-12-10 19:30 +0100
      Re: [PATCH] X.509: Fix the time validation [ver #3] David Howells <dhowells@redhat.com> - 2015-12-11 12:20 +0100
        Re: [PATCH] X.509: Fix the time validation [ver #3] Josh Boyer <jwboyer@fedoraproject.org> - 2015-12-11 13:40 +0100

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