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USN-8630-1 Not scored

linux, linux-aws, linux-aws-fips, linux-azure, linux-azure-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips, linux-fips, linux-gcp, linux-gcp-6.8, linux-gcp-fips, linux-gke, linux-gkeop, linux-ibm, linux-ibm-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-realtime, linux-realtime-6.8, linux-xilinx vulnerabilities

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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructure; - IPv4 networking; - Network traffic control; - TCP network protocol; - B.A.T.M.A.N. meshing protocol; - IPv6 networking; - Multipath TCP; - Netfilter; - RxRPC session sockets; - SCTP protocol; - SMC sockets; (CVE-2026-43083, CVE-2026-43197, CVE-2026-43198, CVE-2026-43465, CVE-2026-46242, CVE-2026-46325, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-53151, CVE-2026-53176, CVE-2026-53212, CVE-2026-53215, CVE-2026-53225, CVE-2026-53228, CVE-2026-53359)

Exploit probability Not scored
Published August 12, 2026
Required by Not available
Last source change August 13, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:24.04:LTS linux-azure-fde

7 explicit affected versions

Ubuntu:22.04:LTS linux-azure-6.8

28 explicit affected versions

Ubuntu:22.04:LTS linux-azure-fde-6.8

8 explicit affected versions

Ubuntu:22.04:LTS linux-gcp-6.8

41 explicit affected versions

Ubuntu:22.04:LTS linux-ibm-6.8

38 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia-6.8

44 explicit affected versions

Ubuntu:24.04:LTS linux

53 explicit affected versions

Ubuntu:24.04:LTS linux-aws

49 explicit affected versions

Ubuntu:24.04:LTS linux-azure

40 explicit affected versions

Ubuntu:24.04:LTS linux-gcp

51 explicit affected versions

Ubuntu:24.04:LTS linux-gke

46 explicit affected versions

Ubuntu:24.04:LTS linux-gkeop

35 explicit affected versions

Ubuntu:24.04:LTS linux-ibm

47 explicit affected versions

Ubuntu:24.04:LTS linux-nvidia

45 explicit affected versions

Ubuntu:24.04:LTS linux-nvidia-lowlatency

42 explicit affected versions

Ubuntu:24.04:LTS linux-xilinx

19 explicit affected versions

Ubuntu:Pro:FIPS-updates:24.04:LTS linux-aws-fips

20 explicit affected versions

Ubuntu:Pro:FIPS-updates:24.04:LTS linux-azure-fips

11 explicit affected versions

Ubuntu:Pro:FIPS-updates:24.04:LTS linux-fips

21 explicit affected versions

Ubuntu:Pro:FIPS-updates:24.04:LTS linux-gcp-fips

20 explicit affected versions

Ubuntu:Pro:Realtime:22.04:LTS linux-realtime-6.8

42 explicit affected versions

Ubuntu:Pro:Realtime:24.04:LTS linux-realtime

47 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-8630-1

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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructure; - IPv4 networking; - Network traffic control; - TCP network protocol; - B.A.T.M.A.N. meshing protocol; - IPv6 networking; - Multipath TCP; - Netfilter; - RxRPC session sockets; - SCTP protocol; - SMC sockets; (CVE-2026-43083, CVE-2026-43197, CVE-2026-43198, CVE-2026-43465, CVE-2026-46242, CVE-2026-46325, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-53151, CVE-2026-53176, CVE-2026-53212, CVE-2026-53215, CVE-2026-53225, CVE-2026-53228, CVE-2026-53359)

View original source

05 / REFERENCES

Further evidence