CVE-2026-45850
What it is
In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks Protocol checksum validation fails for IPv6 if there are extension headers before the protocol header. iph->len already contains its offset, so use it to fix the problem.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
- Exploit odds
- 0.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.2% in the next 30 days (EPSS).
- Severity: 5.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.2% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 5.10.259
- Linux Kernel < 5.15.210
- Linux Kernel < 6.1.176
- Linux Kernel < 6.6.143
- Linux Kernel < 6.12.94
- Linux Kernel < 6.18.36
- Linux Kernel < 6.19.4
Attack profile CVSS 3.1 · 5.5
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-45850.md and follow it. Check whether this project is affected by CVE-2026-45850. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625
- https://git.kernel.org/stable/c/0bf92a90bf05ecafe52e92d5bc15a585021a64ac
- https://git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5
- https://git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b
- https://git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7
- https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4
- https://git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937
- https://git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de
References
- https://git.kernel.org/stable/c/05cfe9863ef049d98141dc2969eefde72fb07625
- https://git.kernel.org/stable/c/0bf92a90bf05ecafe52e92d5bc15a585021a64ac
- https://git.kernel.org/stable/c/54add3b7d3c154ca89ef5bac2582b0ed1a3a15d5
- https://git.kernel.org/stable/c/768f665f3685b455ed686370ed7ccb852a125a3b
- https://git.kernel.org/stable/c/9aa7edc1347b98774e5167ca34e5b8aa6083bde7
- https://git.kernel.org/stable/c/a3ca27762ce8476b4fbf9b2a8f5cb74c38e483e4
- https://git.kernel.org/stable/c/cdce1e797addab72393c0dfee31aaca41ef7d937
- https://git.kernel.org/stable/c/d643c1ec80b70508f54dac12179e36920e2c00de
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html