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canonical ubuntu linux 20.04 vulnerabilities and exploits
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3.6
CVSSv2
CVE-2020-11565
An issue exists in the Linux kernel up to and including 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing, aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that ...
Linux Linux Kernel
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
4.7
CVSSv2
CVE-2020-29372
An issue exists in do_madvise in mm/madvise.c in the Linux kernel prior to 5.6.8. There is a race condition between coredump operations and the IORING_OP_MADVISE implementation, aka CID-bc0c4d1e176e.
Linux Linux Kernel
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
NA
CVE-2022-2602
io_uring UAF, Unix SCM garbage collection
Linux Linux Kernel
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 22.04
Canonical Ubuntu Linux 22.10
2 Github repositories
2.1
CVSSv2
CVE-2020-16120
Overlayfs did not properly perform permission checking when copying up files in an overlayfs and could be exploited from within a user namespace, if, for example, unprivileged user namespaces were allowed. It was possible to have a file not readable by an unprivileged user to be ...
Linux Linux Kernel
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
NA
CVE-2022-2084
Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported. This leak could include hashed passwords.
Canonical Cloud-init
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 21.10
Canonical Ubuntu Linux 22.04
2.1
CVSSv2
CVE-2020-14415
oss_write in audio/ossaudio.c in QEMU prior to 5.0.0 mishandles a buffer position.
Qemu Qemu
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
4.3
CVSSv2
CVE-2020-12398
If Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection. This vulnerability affects Thunderbird < 68.9.0.
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
2.1
CVSSv2
CVE-2020-11931
An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy mo...
Pulseaudio Pulseaudio
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
4.3
CVSSv2
CVE-2020-12397
By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.
Mozilla Thunderbird
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
NA
CVE-2022-2586
It exists that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.
Linux Linux Kernel
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 22.04
4 Github repositories
CVSSv2
CVSSv2
CVSSv3
VMScore
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XML external entity
dos
CVE-2024-5813
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