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为什么 snapd 最近更新很频繁？

tag-icon • tag-icon 20.04 updates snap
为什么 snapd 最近更新很频繁？

使用 Ubuntu 20.04 的你们中有人也注意到 snapd 最近更新得非常频繁吗？如果我没记错的话，snapd 在过去一周左右更新了 3 次……

这是为什么？snapd 中是否发现了多个漏洞，并且已逐一修复，还是有一系列修复失败，需要再次修复，或者......？

答案1

您可以检查变更日志（可从Ubuntu 软件包站点)：

snapd (2.54.3+20.04.1ubuntu0.2) focal-security; urgency=medium

  * SECURITY REGRESSION: Fix fish shell compatibility
    - data/env/snapd.fish.in: more workarounds for even older fish shells,
      provide reasonable defaults.
    - LP: #1961791

 -- Paulo Flabiano Smorigo <[email protected]>  Wed, 23 Feb 2022 18:25:31 +0000

snapd (2.54.3+20.04.1ubuntu0.1) focal-security; urgency=medium

  * SECURITY REGRESSION: Fix fish shell compatibility
    - data/env/snapd.fish.in: fix fish env for all versions of fish, unexport
      local vars, export XDG_DATA_DIRS.
    - LP: #1961365

 -- Paulo Flabiano Smorigo <[email protected]>  Fri, 18 Feb 2022 21:31:48 +0000

snapd (2.54.3+20.04.1) focal-security; urgency=medium

  * debian/rules: disabling unit tests on riscv64

 -- Emilia Torino <[email protected]>  Thu, 17 Feb 2022 15:37:53 -0300

snapd (2.54.3+20.04) focal-security; urgency=medium

  * SECURITY UPDATE: Sensitive information exposure
    - usersession/autostart: change ~/snap perms to 0700 on startup.
    - cmd: create ~/snap dir with 0700 perms.
    - CVE-2021-3155
    - LP: #1910298
  * SECURITY UPDATE: Local privilege escalation
    - snap-confine: Add validations of the location of the snap-confine
      binary within snapd.
    - snap-confine: Fix race condition in snap-confine when preparing a
      private mount namespace for a snap.
    - CVE-2021-44730
    - CVE-2021-44731
  * SECURITY UPDATE: Data injection from malicious snaps
    - interfaces: Add validations of snap content interface and layout
      paths in snapd.
    - CVE-2021-4120
    - LP: #1949368

 -- Michael Vogt <[email protected]>  Tue, 15 Feb 2022 17:45:13 +0100

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