canonical ubuntu linux 20.10 vulnerabilities and exploits

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5.5

CVSSv3

Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5....

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

3.8

CVSSv3

The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5,...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

8.8

CVSSv3

The io_uring subsystem in the Linux kernel allowed the MAX_RW_COUNT limit to be bypassed in the PROVIDE_BUFFERS operation, which led to negative values being usedin mem_rw when reading /proc/<PID>/mem. This could be used to create a heap overflow leading to arbitrary code...

Linux Linux Kernel Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-17 package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10 Oracle Openjdk 171 Github repository available

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.101 Github repository available

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-14 package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-15 package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

5.5

CVSSv3

It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users....

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

4.7

CVSSv3

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

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