Summary
Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel
did not properly handle VLAN headers in some situations. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code.(CVE-2023-0179)
It was discovered that the Upper Level Protocol (ULP) subsystem in the
Linux kernel did not properly handle sockets entering the LISTEN state in
certain protocols, leading to a use-after-free vulnerability. A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code.(CVE-2023-0461)
Fixed packages 32
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-aws-hwe | 4.15.0-1151.164~16.04.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-azure | 4.15.0-1162.177~16.04.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-gcp | 4.15.0-1146.162~16.04.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-hwe | 4.15.0-206.217~16.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux | 4.15.0-206.217 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-aws | 4.15.0-1151.164 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-aws-5.4 | 5.4.0-1097.105~18.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-azure-4.15 | 4.15.0-1162.177 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-azure-5.4 | 5.4.0-1104.110~18.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-gcp-4.15 | 4.15.0-1146.162 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-gcp-5.4 | 5.4.0-1101.110~18.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-gke-4.15 | — |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-gke-5.4 | — |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-gkeop-5.4 | — |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-hwe-5.4 | 5.4.0-144.161~18.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-oem | — |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux | 5.4.0-144.161 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-aws | 5.4.0-1097.105 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-aws-5.15 | 5.15.0-1031.35~20.04.1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-azure | 5.4.0-1104.110 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-gcp | 5.4.0-1101.110 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-gcp-5.15 | 5.15.0-1030.37~20.04.1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-gke | 5.4.0-1095.102 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-gke-5.15 | 5.15.0-1028.33~20.04.1 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-gkeop | 5.4.0-1065.69 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | linux-ibm | 5.4.0-1045.50 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux | 5.15.0-67.74 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux-aws | 5.15.0-1031.35 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux-azure | 5.15.0-1034.41 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux-gcp | 5.15.0-1030.37 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux-gke | 5.15.0-1028.33 |
| Ubuntu · Pro 22.04 LTS Pro:22.04:LTS | linux-ibm | 5.15.0-1026.29 |
Vulnerabilities 2
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High 7.8CVE-2023-0461 Public exploit
Use-after-free vulnerability in the Linux Kernel
There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not …
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Unscored —CVE-2023-0179 Public exploit
A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the le…