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canonical ubuntu linux 20.04 vulnerabilities and exploits
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7.2
CVSSv2
CVE-2021-3490
The eBPF ALU32 bounds tracking for bitwise ops (AND, OR and XOR) in the Linux kernel did not properly update 32-bit bounds, which could be turned into out of bounds reads and writes in the Linux kernel and therefore, arbitrary code execution. This issue was fixed via commit 049c4...
Linux Linux Kernel 5.13
Linux Linux Kernel
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 20.10
Canonical Ubuntu Linux 21.04
6 Github repositories
1 Article
4.6
CVSSv2
CVE-2021-3444
The bpf verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker with the ability to load bpf programs could use this gain out-of-bounds reads in kernel memory leading to information di...
Linux Linux Kernel
Debian Debian Linux 9.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
7.2
CVSSv2
CVE-2020-13974
An issue exists in the Linux kernel 4.4 up to and including 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue...
Linux Linux Kernel
Debian Debian Linux 9.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
4.4
CVSSv2
CVE-2020-25285
A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel prior to 5.8.8 could be used by local malicious users to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.
Linux Linux Kernel
Debian Debian Linux 9.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
9.3
CVSSv2
CVE-2020-12410
Mozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thun...
Mozilla Firefox
Mozilla Firefox Esr
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
1 Article
4.3
CVSSv2
CVE-2020-10755
An insecure-credentials flaw was found in all openstack-cinder versions before openstack-cinder 14.1.0, all openstack-cinder 15.x.x versions before openstack-cinder 15.2.0 and all openstack-cinder 16.x.x versions before openstack-cinder 16.1.0. When using openstack-cinder with th...
Redhat Openstack-cinder
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 20.04
6.8
CVSSv2
CVE-2020-11958
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
Re2c Re2c 1.3
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
3.5
CVSSv2
CVE-2020-11049
In FreeRDP after 1.1 and prior to 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.
Freerdp Freerdp
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Debian Debian Linux 10.0
NA
CVE-2023-3777
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also...
Linux Linux Kernel
Debian Debian Linux 12.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 20.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 22.04
1 Github repository
2.1
CVSSv2
CVE-2020-12768
An issue exists in the Linux kernel prior to 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will
Linux Linux Kernel
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Canonical Ubuntu Linux 20.04
Debian Debian Linux 10.0
CVSSv2
CVSSv2
CVSSv3
VMScore
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XML external entity
dos
CVE-2024-5813
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