Date: Wed, 16 Mar 2022 22:05:16 +0100 From: Vincenzo Maffione <vmaffione@freebsd.org> To: Shawn Webb <shawn.webb@hardenedbsd.org> Cc: src-committers <src-committers@freebsd.org>, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org, FreeBSD Security Team <secteam@freebsd.org> Subject: Re: git: 393729916564 - main - netmap: Fix TOCTOU vulnerability in nmreq_copyin Message-ID: <CA%2B_eA9i-4d1ZDJzdNmQ_BpFXjMuG3hCHSKsdTHijdjAarD4dEw@mail.gmail.com> In-Reply-To: <20220316143136.vu3akg4ehevqmkgu@mutt-hbsd> References: <202203160708.22G78lBs012259@gitrepo.freebsd.org> <20220316143136.vu3akg4ehevqmkgu@mutt-hbsd>
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[-- Attachment #1 --] Yes. I was told by secteam@ that they would take care of the security advisories. Cheers, Vincenzo Il giorno mer 16 mar 2022 alle ore 15:31 Shawn Webb < shawn.webb@hardenedbsd.org> ha scritto: > On Wed, Mar 16, 2022 at 07:08:47AM +0000, Vincenzo Maffione wrote: > > The branch main has been updated by vmaffione: > > > > URL: > https://cgit.FreeBSD.org/src/commit/?id=393729916564ed13f966e09129a24e6931898d12 > > > > commit 393729916564ed13f966e09129a24e6931898d12 > > Author: Vincenzo Maffione <vmaffione@FreeBSD.org> > > AuthorDate: 2022-03-16 06:58:50 +0000 > > Commit: Vincenzo Maffione <vmaffione@FreeBSD.org> > > CommitDate: 2022-03-16 06:58:50 +0000 > > > > netmap: Fix TOCTOU vulnerability in nmreq_copyin > > > > The total size of the user-provided nmreq was first computed and then > > trusted during the copyin. This might lead to kernel memory > corruption > > and escape from jails/containers. > > > > Reported by: Lucas Leong (@_wmliang_) of Trend Micro Zero Day > Initiative > > Security: CVE-2022-23084 > > MFC after: 3 days > > Out of curiosity, if this has an assigned CVE, should it go through > the normal FreeBSD security advisory process? > > Thanks, > > -- > Shawn Webb > Cofounder / Security Engineer > HardenedBSD > > > https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc > [-- Attachment #2 --] <div dir="ltr"><div>Yes. I was told by secteam@ that they would take care of the security advisories.</div><div><br></div><div>Cheers,</div><div> Vincenzo</div><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Il giorno mer 16 mar 2022 alle ore 15:31 Shawn Webb <<a href="mailto:shawn.webb@hardenedbsd.org" target="_blank">shawn.webb@hardenedbsd.org</a>> ha scritto:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On Wed, Mar 16, 2022 at 07:08:47AM +0000, Vincenzo Maffione wrote:<br> > The branch main has been updated by vmaffione:<br> > <br> > URL: <a href="https://cgit.FreeBSD.org/src/commit/?id=393729916564ed13f966e09129a24e6931898d12" rel="noreferrer" target="_blank">https://cgit.FreeBSD.org/src/commit/?id=393729916564ed13f966e09129a24e6931898d12</a><br>; > <br> > commit 393729916564ed13f966e09129a24e6931898d12<br> > Author: Vincenzo Maffione <vmaffione@FreeBSD.org><br> > AuthorDate: 2022-03-16 06:58:50 +0000<br> > Commit: Vincenzo Maffione <vmaffione@FreeBSD.org><br> > CommitDate: 2022-03-16 06:58:50 +0000<br> > <br> > netmap: Fix TOCTOU vulnerability in nmreq_copyin<br> > <br> > The total size of the user-provided nmreq was first computed and then<br> > trusted during the copyin. This might lead to kernel memory corruption<br> > and escape from jails/containers.<br> > <br> > Reported by: Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative<br> > Security: CVE-2022-23084<br> > MFC after: 3 days<br> <br> Out of curiosity, if this has an assigned CVE, should it go through<br> the normal FreeBSD security advisory process?<br> <br> Thanks,<br> <br> -- <br> Shawn Webb<br> Cofounder / Security Engineer<br> HardenedBSD<br> <br> <a href="https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc" rel="noreferrer" target="_blank">https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc</a><br>; </blockquote></div> </div>help
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