Backport "CIFS: New mount option for cifs.upcall namespace resolution"

Bug #2097564 reported by Vinicius Peixoto
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux-azure (Ubuntu)
New
High
Vinicius Peixoto
Jammy
Fix Released
High
Vinicius Peixoto
Noble
Fix Committed
High
Vinicius Peixoto

Bug Description

[Impact]

Microsoft has requested for the following bugfix to be backported into the noble and jammy linux-azure trees:

db363b0a1d9e6b9dc556296f1b1007aeb496a8cf ("CIFS: New mount option for cifs.upcall namespace resolution")

[Fix]

Backported into the jammy/noble Azure trees by fixing various context conflicts.

[Test plan]

Build tested only.

[Where problems could occur]

The changeset is relatively self-contained, so the regression risk seems relatively low.

[Other info]

SF #00405264

CVE References

Changed in linux-azure (Ubuntu):
assignee: nobody → Vinicius Peixoto (vpeixoto)
Changed in linux-azure (Ubuntu Jammy):
assignee: nobody → Vinicius Peixoto (vpeixoto)
Changed in linux-azure (Ubuntu Noble):
assignee: nobody → Vinicius Peixoto (vpeixoto)
Changed in linux-azure (Ubuntu):
importance: Undecided → High
Changed in linux-azure (Ubuntu Jammy):
importance: Undecided → High
Changed in linux-azure (Ubuntu Noble):
importance: Undecided → High
John Cabaj (john-cabaj)
Changed in linux-azure (Ubuntu Jammy):
status: New → Fix Committed
Changed in linux-azure (Ubuntu Noble):
status: New → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-azure/6.8.0-1023.28 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-noble-linux-azure' to 'verification-done-noble-linux-azure'. If the problem still exists, change the tag 'verification-needed-noble-linux-azure' to 'verification-failed-noble-linux-azure'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-noble-linux-azure-v2 verification-needed-noble-linux-azure
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-azure/5.15.0-1082.91 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy-linux-azure' to 'verification-done-jammy-linux-azure'. If the problem still exists, change the tag 'verification-needed-jammy-linux-azure' to 'verification-failed-jammy-linux-azure'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux-azure-v2 verification-needed-jammy-linux-azure
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-azure - 5.15.0-1082.91

---------------
linux-azure (5.15.0-1082.91) jammy; urgency=medium

  * jammy/linux-azure: 5.15.0-1082.91 -proposed tracker (LP: #2097898)

  * Packaging resync (LP: #1786013)
    - [Packaging] debian.azure/dkms-versions -- update from kernel-versions
      (main/s2025.01.13)

  * Backport "CIFS: New mount option for cifs.upcall namespace resolution"
    (LP: #2097564)
    - CIFS: New mount option for cifs.upcall namespace resolution

  [ Ubuntu: 5.15.0-134.145 ]

  * jammy/linux: 5.15.0-134.145 -proposed tracker (LP: #2097944)
  * Packaging resync (LP: #1786013)
    - [Packaging] debian.master/dkms-versions -- update from kernel-versions
      (main/s2025.01.13)
  * CVE-2024-56672
    - blk-cgroup: Fix UAF in blkcg_unpin_online()

  [ Ubuntu: 5.15.0-133.144 ]

  * CVE-2025-0927
    - SAUCE: fs: hfs/hfsplus: add key_len boundary check to hfs_bnode_read_key

 -- John Cabaj <email address hidden> Tue, 18 Feb 2025 14:07:46 -0600

Changed in linux-azure (Ubuntu Jammy):
status: Fix Committed → Fix Released
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