Description
In the Linux kernel before 5.2.14, rds6_inc_info_copy in net/rds/recv.c allows attackers to obtain sensitive information from kernel stack memory because tos and flags fields are not initialized.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.2.17-1 | — |
| Debian 13 | linux | 5.2.17-1 | — |
| Debian 12 | linux | 5.2.17-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | linux-azure | 5.0.0-1023.24~18.04.1 | USN-4157-2 |
| Ubuntu 18.04 LTS | linux-gcp | 5.0.0-1021.21~18.04.1 | USN-4157-2 |
| Ubuntu 18.04 LTS | linux-gke-5.0 | 5.0.0-1023.23~18.04.2 | USN-4157-2 |
| Ubuntu 18.04 LTS | linux-hwe | 5.0.0-32.34~18.04.2 | USN-4157-2 |
| Ubuntu 18.04 LTS | linux-hwe-edge | No fix yet | — |
| Ubuntu 18.04 LTS | linux-oem-osp1 | 5.0.0-1025.28 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
Advisories 1
- USN-4157-2 linux-hwe, linux-azure, linux-gcp, linux-gke-5.0 vulnerabilities Ubuntu Security Notices (USN) · Sep 9, 2026
References
- https://github.com/torvalds/linux/commit/7d0a06586b2686ba80c4a2da5f91cb10ffbea736
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.14
- [oss-security] 20190924 CVE-2019-16714: info leak in RDS rds6_inc_info_copy mailing-list
- [oss-security] 20190925 CVE-2019-16714: Linux kernel net/rds: info leak vulnerability in rds6_inc_info_copy mailing-list
- https://support.f5.com/csp/article/K48351130?utm_source=f5support&%3Butm_medium=RSS
- USN-4157-1 vendor-advisory
- USN-4157-2 vendor-advisory
- https://security.netapp.com/advisory/ntap-20191031-0005/