This bug was fixed in the package linux-riscv - 5.8.0-16.18
---------------
linux-riscv (5.8.0-16.18) groovy; urgency=medium
* groovy/linux-riscv: 5.8.0-16.18 -proposed tracker (LP: #1914687)
[ Ubuntu: 5.8.0-43.49 ]
* groovy/linux: 5.8.0-43.49 -proposed tracker (LP: #1914689)
* Packaging resync (LP: #1786013)
- update dkms package versions
* Exploitable vulnerabilities in AF_VSOCK implementation (LP: #1914668)
- vsock: fix the race conditions in multi-transport support
[ Ubuntu: 5.8.0-41.46 ]
* groovy/linux: 5.8.0-41.46 -proposed tracker (LP: #1912219)
* Groovy update: upstream stable patchset 2020-12-17 (LP: #1908555) // nvme
drive fails after some time (LP: #1910866)
- Revert "nvme-pci: remove last_sq_tail"
* initramfs unpacking failed (LP: #1835660)
- SAUCE: lib/decompress_unlz4.c: correctly handle zero-padding around
initrds.
* overlay: permission regression in 5.4.0-51.56 due to patches related to
CVE-2020-16120 (LP: #1900141)
- ovl: do not fail because of O_NOATIME
[ Ubuntu: 5.8.0-40.45 ]
* Packaging resync (LP: #1786013)
- update dkms package versions
-- Stefan Bader <stefan.ba...@canonical.com> Fri, 05 Feb 2021 09:13:11
+0100
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1914668
Title:
Exploitable vulnerabilities in AF_VSOCK implementation
Status in linux package in Ubuntu:
Fix Committed
Status in linux-hwe-5.8 package in Ubuntu:
New
Status in linux-oem-5.6 package in Ubuntu:
Fix Committed
Status in linux-riscv package in Ubuntu:
Fix Released
Status in linux-hwe-5.8 source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
Status in linux source package in Hirsute:
Fix Committed
Bug description:
https://www.openwall.com/lists/oss-security/2021/02/04/5
The following mainline patch is required for all kernels >= v5.8:
{focal hwe-5.8, groovy, hirsute}:
[linux] c518adafa39f vsock: fix the race conditions in multi-transport
support
or [linux-5.10-y] 55d900415b81 vsock: fix the race conditions in
multi-transport support
[Impact]
* Patches an exploitable vulnerability.
[Test Case]
* See disclosure article.
[Regression Potential]
* Low: straightforward race condition fix; upstream cherry-pick.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1914668/+subscriptions
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