USN-5465-1: linux Ubuntu
Vulnerability summary
USN-5465-1 is a vulnerability in linux Ubuntu with no CVSS score yet.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 3 · Downstream 0 · Related 3Timeline
- 08-06-2022PublishedVulnerability first disclosed.
- 10-09-2026Last modifiedVulnerability information updated.
Description
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. (CVE-2022-21499) Aaron Adams discovered that the netfilter subsystem in the Linux kernel did not properly handle the removal of stateful expressions in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-1966) Jann Horn discovered that the Linux kernel did not properly enforce seccomp restrictions in some situations. A local attacker could use this to bypass intended seccomp sandbox restrictions. (CVE-2022-30594)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu4 products
- linux< 4.4.0-227.261
- linux-aws< 4.4.0-1107.113 | < 4.4.0-1143.158
- linux-kvm< 4.4.0-1108.118
- linux-lts-xenial< 4.4.0-227.261~14.04.1
1 vendor · 4 products