Severity
High
Vendor
Canonical Ubuntu
Versions Affected
- Canonical Ubuntu 18.04
Description
Nick Gregory discovered that the Linux kernel incorrectly handled network offload functionality. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2022-25636) Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida discovered that hardware mitigations added by ARM to their processors to address Spectre-BTI were insufficient. A local attacker could potentially use this to expose sensitive information. (CVE-2022-23960) Enrico Barberis, Pietro Frigo, Marius Muench, Herbert Bos, and Cristiano Giuffrida discovered that hardware mitigations added by Intel to their processors to address Spectre-BTI were insufficient. A local attacker could potentially use this to expose sensitive information. (CVE-2022-0001, CVE-2022-0002)
CVEs contained in this USN include: CVE-2022-0001, CVE-2022-0002, CVE-2022-23960, CVE-2022-25636.
Affected Cloud Foundry Products and Versions
Severity is high unless otherwise noted.
- Bionic Stemcells
- 1.x versions prior to 1.67
- All other stemcells not listed.
Mitigation
Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:
- Bionic Stemcells
- Upgrade 1.x versions to 1.67 or greater
- All other stemcells should be upgraded to the latest version available on bosh.io.
History
2022-03-11: Initial vulnerability report published.
