Date: Tue, 26 Oct 2021 10:11:12 -0300 From: Thadeu Lima de Souza Cascardo <cascardo@...onical.com> To: oss-security@...ts.openwall.com Cc: Lin Horse <kylin.formalin@...il.com> Subject: Re: CVE-2021-3760: Linux kernel: Use-After-Free vulnerability of ndev->rf_conn_info object On Tue, Oct 26, 2021 at 02:30:18PM +0200, Solar Designer wrote: > On Tue, Oct 26, 2021 at 08:14:20PM +0800, Lin Horse wrote: > > The commit for the fix is 1b1499a817c90fd1ce9453a2c98d2a01cca0e775 (link: > > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1b1499a817c90fd1ce9453a2c98d2a01cca0e775 > > ) > > Thanks. Looks like the same fix you already shared on September 1. > > I also found this was (first?) made public on Linux kernel mailing lists > (linux-nfc, netdev, linux-kernel) on October 7 by someone from Canonical > (and Lin was CC'ed): > > https://lists.openwall.net/netdev/2021/10/07/239 > > Canonical didn't break the embargo there because it was supposed to be > already over by then, however I think it was their opportunity to remind > about the need to make the oss-security posting, or to make the posting > themselves. Speaking of which, I think SUSE (as they first reminded) or Krzysztof Kozlowski is the current NFC maintainer, so I asked him, and he confirmed that he was on Cc when/after this was reported to security@...nel.org. So, this was independent from the reports that were gone through linux-distros. He was not aware that this was brought to linux-distros and I am not sure he is familiar with its policy as he is not a member. I don't think we should expect an upstream maintainer to notify oss-security and need to rely on the other methods you already mentioned to make sure we notice when things have gone public. Cascardo. > Gentoo or Amazon (as they're tasked with this) could and should have > brought this to oss-security shortly after Lin didn't reply to the > September 17 reminder. To send a reminder and forget for another month > isn't a reliable approach. > > Alexander
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