USN-8224-1: linux-bluefield Ubuntu
Vulnerability summary
USN-8224-1 is a vulnerability in linux-bluefield 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 24 · Downstream 0 · Related 24Timeline
- 29-04-2026PublishedVulnerability first disclosed.
- 03-11-2026Last modifiedVulnerability information updated.
Description
linux-bluefield vulnerabilities Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information (kernel memory), local privilege escalation, or possibly escape a container. (LP: #2143853, CVE-2026-23268, CVE-2026-23269, CVE-2026-23403, CVE-2026-23404, CVE-2026-23405, CVE-2026-23406, CVE-2026-23407, CVE-2026-23408, CVE-2026-23409, CVE-2026-23410, CVE-2026-23411) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - x86 architecture; - Cryptographic API; - GPU drivers; - I2C subsystem; - BTRFS file system; - XFRM subsystem; - Padata parallel execution mechanism; - IPv4 networking; - IPv6 networking; - MAC80211 subsystem; - Netfilter; - Network traffic control; - SMC sockets; (CVE-2021-47599, CVE-2022-48875, CVE-2022-49046, CVE-2022-49698, CVE-2024-46816, CVE-2024-49927, CVE-2024-56640, CVE-2025-21726, CVE-2025-21780, CVE-2025-37849, CVE-2025-40019, CVE-2025-40215, CVE-2026-23060, CVE-2026-23074)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu1 product
- linux-bluefield< 5.4.0-1116.123
1 vendor · 1 product