Medium
Canonical Ubuntu
It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.
CVEs contained in this USN include: CVE-2022-27666.
Severity is medium unless otherwise noted.
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
2022-05-26: Initial vulnerability report published.
CPE | Name | Operator | Version |
---|---|---|---|
bionic stemcells | lt | 1.76 | |
cflinuxfs3 | lt | 0.280.0 | |
cf deployment | lt | 20.0.0 |