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NixOS Security Triage

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Coordination and triage of security issues in nixpkgs | Discussions in #security-discuss:nixos.org | Open PRs: https://github.com/NixOS/nixpkgs/pulls?q=is%3Apr+is%3Aopen+sort%3Aupdated-desc+label%3A%221.severity%3A+security%22200 Servers

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15 Jun 2025
@c3r5b8:matrix.org@c3r5b8:matrix.org left the room.13:32:29
16 Jun 2025
@adam:robins.wtfadamcstephenshttps://github.com/NixOS/nixpkgs/pull/41724814:06:32
17 Jun 2025
@hexa:lossy.networkhexahttps://insinuator.net/2025/06/disclosure-multiple-vulnerabilities-xserver-xwayland/14:51:36
@hexa:lossy.networkhexa * https://insinuator.net/2025/06/disclosure-multiple-vulnerabilities-xserver-xwayland/ K900 Emantor 14:52:04
@k900:0upti.meK900Woo14:56:19
@k900:0upti.meK900On it14:56:22
@k900:0upti.meK900xwayland: https://github.com/NixOS/nixpkgs/pull/41756815:00:26
@k900:0upti.meK900And xorgserver (staging): https://github.com/NixOS/nixpkgs/pull/41756915:03:29
@hexa:lossy.networkhexahttps://github.com/linux-pam/linux-pam/security/advisories/GHSA-f9p8-gjr4-j9gx unmaintained 😕 22:02:13
@hexa:lossy.networkhexa* https://github.com/linux-pam/linux-pam/security/advisories/GHSA-f9p8-gjr4-j9gx unmaintained in nixpkgs 😕 22:02:17
@hexa:lossy.networkhexa

Systems are vulnerable if they use pam_namespace to polyinstantiate a directory

22:02:49
@hexa:lossy.networkhexa https://www.openwall.com/lists/oss-security/2025/06/17/5 libblockdev/udisks Jan Tojnar 22:06:45
18 Jun 2025
@jtojnar:matrix.orgJan Tojnarthanks, opened https://github.com/NixOS/nixpkgs/pull/41776307:20:55
@leona:leona.isleonacan look in around 8 hours if no one beats me to that07:51:03
@h0nig2k:matrix.orgh0nig2khttps://github.com/NixOS/nixpkgs/pull/417898 for CVE-2025-46727 (please backport to 25.05 as well, thank you)15:52:17
@vcunat:matrix.orgvcunat

updated X too soon

A fix will be issued in xorg-server-21.1.18 and xwayland-24.1.8 shortly.

https://lists.x.org/archives/xorg-announce/2025-June/003611.html

16:08:45
@hexa:lossy.networkhexaRedacted or Malformed Event16:23:13
@hexa:lossy.networkhexaRedacted or Malformed Event16:23:39
@hexa:lossy.networkhexaRedacted or Malformed Event16:23:49
@aleksana:mozilla.orgaleksana 🏳️‍⚧️ (force me to bed after 18:00 UTC)
In reply to @jtojnar:matrix.org
thanks, opened https://github.com/NixOS/nixpkgs/pull/417763
This hasn't been backported to 24.11 because of merge conflict, have we abandoned 24.11 yet?
17:18:10
@hexa:lossy.networkhexanot yet17:19:56
@vcunat:matrix.orgvcunatEnd of the month is promised traditionally.17:24:14
20 Jun 2025
@alina:kescher.at@alina:kescher.at changed their display name from alina, dognitohazard 🏳️‍⚧️🐾 to alina, moved to @alina:catgirl.cloud.18:14:34
@alina:kescher.at@alina:kescher.at left the room.19:02:28
21 Jun 2025
@leona:leona.isleonaWould like to get a review on the patch backport please https://github.com/NixOS/nixpkgs/pull/418180, as relevant for next staging cycle11:17:42
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)(on a similar note, https://github.com/NixOS/nixpkgs/pull/418255 works as an update, but the diff is large enough for me to not feel competent with a backport. And the doc building is still bissing, as i don't know enough docbook to fix it. Either needs someone looking at docs or making the executive decision to just ignore docs on pam)11:19:24
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* (on a similar note, https://github.com/NixOS/nixpkgs/pull/418255 works as an update, but the diff is large enough for me to not feel comfortable with an immediate backport. And the doc building is still bissing, as i don't know enough docbook to fix it. Either needs someone looking at docs or making the executive decision to just ignore docs on pam)11:20:21
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* (on a similar note, https://github.com/NixOS/nixpkgs/pull/418255 works as an update, but the diff is large enough for me to not feel comfortable with an immediate backport. And the doc building is still missing, as i don't know enough docbook to fix it. Either needs someone looking at docs or making the executive decision to just ignore docs on pam)11:43:23
22 Jun 2025
@ss:someonex.netSomeoneSerge (Ever OOMed by Element) changed their display name from SomeoneSerge (UTC+U[-12,12]) to SomeoneSerge (Ever OOMed by Element).12:12:51
@saiko:knifepoint.netKatalin 🔪 changed their display name from Katalin ⚧︎ to Katalin ⚧︎.20:44:15

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