CVE-2024-47685
Public on 2024-10-21
Modified on 2024-10-26
Description
syzbot reported that nf_reject_ip6_tcphdr_put() was possibly sending garbage on the four reserved tcp bits (th->res1)
Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put()
Use skb_put_zero() to clear the whole TCP header, as done in nf_reject_ip_tcphdr_put()
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | kernel | No Fix Planned | ||
| Amazon Linux 2 - Core | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.4 Extra | kernel | Pending Fix | ||
| Amazon Linux 2 - Kernel-5.10 Extra | kernel | 2024-10-24 | ALAS2KERNEL-5.10-2024-072 | Fixed |
| Amazon Linux 2 - Kernel-5.15 Extra | kernel | 2024-10-24 | ALAS2KERNEL-5.15-2024-056 | Fixed |
| Amazon Linux 2023 | kernel | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD | CVSSv3 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |