Date: Tue, 4 May 2010 21:04:42 -0600 From: dann frazier <dannf@...ian.org> To: oss-security@...ts.openwall.com Cc: "Steven M. Christey" <coley@...us.mitre.org> Subject: CVE Request [was Re: kernel: execution possible in non-executable mappings in recent 2.6 kernels (SPARC only)] On Wed, Feb 24, 2010 at 08:41:01AM +0800, Eugene Teo wrote: > http://marc.info/?l=linux-sparc&m=126662196902830&w=2 > http://marc.info/?l=linux-sparc&m=126662159602378&w=2 > > sparc64: Fix sun4u execute bit check in TSB I-TLB load. > > TSB I-tlb load code tries to use andcc to check the _PAGE_EXEC_4U bit, > but that's bit 12 so it gets sign extended all the way up to bit 63 > and the test nearly always passes as a result. > > Use sethi to fix the bug. > > I'm not requesting a CVE for this as this does not affect any of our > kernels. But just a heads-up for those not aware of this. hey Steven, Can we get a CVE allocated for this one? -- dann frazier
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