linux 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; - Cryptographic API; - InfiniBand drivers; - Media drivers; - STMicroelectronics network drivers; - Network drivers; - Ext4 file system; - IPv4 networking; - TCP network protocol; - Locking primitives; - B.A.T.M.A.N. meshing protocol; - Ceph Core library; - IPv6 networking; - Multipath TCP; - Netfilter; - SCTP protocol; - SMC sockets; (CVE-2026-31405, CVE-2026-31414, CVE-2026-31448, CVE-2026-31649, CVE-2026-31659, CVE-2026-31685, CVE-2026-43198, CVE-2026-43493, CVE-2026-43499, CVE-2026-46266, CVE-2026-52955, CVE-2026-52982, CVE-2026-52986, CVE-2026-53176, CVE-2026-53225, CVE-2026-53359)
02 / AFFECTED SOFTWARE
Affected packages
189 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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; - Cryptographic API; - InfiniBand drivers; - Media drivers; - STMicroelectronics network drivers; - Network drivers; - Ext4 file system; - IPv4 networking; - TCP network protocol; - Locking primitives; - B.A.T.M.A.N. meshing protocol; - Ceph Core library; - IPv6 networking; - Multipath TCP; - Netfilter; - SCTP protocol; - SMC sockets; (CVE-2026-31405, CVE-2026-31414, CVE-2026-31448, CVE-2026-31649, CVE-2026-31659, CVE-2026-31685, CVE-2026-43198, CVE-2026-43493, CVE-2026-43499, CVE-2026-46266, CVE-2026-52955, CVE-2026-52982, CVE-2026-52986, CVE-2026-53176, CVE-2026-53225, CVE-2026-53359)
05 / REFERENCES
Further evidence
- https://ubuntu.com/security/CVE-2026-31405
- https://ubuntu.com/security/CVE-2026-31414
- https://ubuntu.com/security/CVE-2026-31448
- https://ubuntu.com/security/CVE-2026-31649
- https://ubuntu.com/security/CVE-2026-31659
- https://ubuntu.com/security/CVE-2026-31685
- https://ubuntu.com/security/CVE-2026-43198
- https://ubuntu.com/security/CVE-2026-43493
- https://ubuntu.com/security/CVE-2026-43499
- https://ubuntu.com/security/CVE-2026-46266
- https://ubuntu.com/security/CVE-2026-52955
- https://ubuntu.com/security/CVE-2026-52982
- https://ubuntu.com/security/CVE-2026-52986
- https://ubuntu.com/security/CVE-2026-53176
- https://ubuntu.com/security/CVE-2026-53225
- https://ubuntu.com/security/CVE-2026-53359
- https://ubuntu.com/security/notices/USN-8634-1