Summary
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:
- File systems infrastructure;
- OCFS2 file system;
- B.A.T.M.A.N. meshing protocol;
- SCTP protocol;
- TIPC protocol;
(CVE-2026-43071, CVE-2026-52914, CVE-2026-52993, CVE-2026-53043,
CVE-2026-53224, CVE-2026-53246, CVE-2026-53309)
Fixed packages 7
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-aws-hwe | 4.15.0-1196.209~16.04.1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | linux-hwe | 4.15.0-257.269~16.04.1 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux | 4.15.0-257.269 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-aws | 4.15.0-1196.209 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | linux-kvm | 4.15.0-1178.183 |
| Ubuntu · Pro FIPS-updates 18.04 LTS Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2134.140 |
| Ubuntu · Pro FIPS-updates 18.04 LTS Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1151.163 |
References
-
report
https://ubuntu.com/security/CVE-2026-43071
-
report
https://ubuntu.com/security/CVE-2026-52914
-
report
https://ubuntu.com/security/CVE-2026-52993
-
report
https://ubuntu.com/security/CVE-2026-53043
-
report
https://ubuntu.com/security/CVE-2026-53224
-
report
https://ubuntu.com/security/CVE-2026-53246
-
report
https://ubuntu.com/security/CVE-2026-53309