VDB
CVE-2026-23247
CVE-2026-23247
PUBLISHED
In the Linux kernel, the following vulnerability has been resolved: tcp: secure_seq: add back ports to TS offset This reverts 28ee1b746f49 ("secure_seq: downgrade to per-host timestamp offsets") tcp_tw_recycle went away in 2017. Zhouyan Deng reported off-path TCP source port leakage via SYN cookie side-channel that can be fixed in multiple ways. One of them is to bring back TCP ports in TS offset randomization. As a bonus, we perform a single siphash() computation to provide both an ISN and a TS offset.
EPSS 0.02% · 4.6th percentile
Risk Scores
EPSS Score
0.02%
4.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 0, 443fac9f2618b93cbc5ab068dc594530236b3a23, 4.11 |
| linux | linux_kernel | 4.11, 4.11, 4.10.14 |
Timeline
- Mar 18, 2026 EPSS Score
- Mar 18, 2026 CVE Published
- Mar 19, 2026 EPSS Score
- Mar 20, 2026 EPSS Score
- Mar 21, 2026 EPSS Score
- Mar 22, 2026 EPSS Score
- Mar 22, 2026 Coalition ESS Score
- Mar 23, 2026 EPSS Score
- Mar 24, 2026 EPSS Score
- Mar 25, 2026 EPSS Score
- Mar 29, 2026 Security Advisory
- May 18, 2026 EPSS Score